Battery ground to engine block

How to Ground an Engine Block It Still Run

  1. g from the battery cable and crimp another connector on the opposite end
  2. One of the leading causes of abnormal ignition and gauge problems is a bad or improper ground. Just because the negative cable is ran from the battery to the frame doesn't mean the engine is getting that ground. The starter, alternator, and most distributors are grounded through the engine block
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  4. al on the engine block; then to the ter
  5. The frame ground is needed. Although the engine is bolted to the frame all the connection points are isolated hence insulated by rubber. The reason for the rubber mounts is to isolate the engine vibration and the resulting stress from the frame. Some older vehicles did use a single ground to the block
  6. o, grampa engine, g-force 5 spd, road rage suspension
  7. The OEM 12v+ from alternator and Ground cables from the battery (#1 and #2) are fine. You won't gain anything swapping these out, they're decent sized and can handle some extra load. IMO the only reason to consider doing #1 #2 is if you swapped to a high output alternator... But the block to chassis wire (#3) definitely could use some help

Grounding the Electrical System - Speedway Motor

The engine would not crank if the battery to engine ground was disconnected. if it was loose, any number of strange things can start to occur. systems that lack adequate grounding can be improved by cleaning surfaces to a shine before installing tightly, having the cable go to the frame first and continue on to attach to the engine. whatever other ground path may exist would have to bear the. A great block to frame ground cable (don't forget frame to body either!) is a positive cable made for 60s-70s f**ds that goes from the battery terminal to the + terminal on the fender mounted solenoid. just right size and length, and YES, they DO come in black Despite common belief, the battery ground is NOT the best place to ground accessories. The battery ground to body/engine/chassis is certainly required in order to complete the circuit which makes up the vehicles ground path. However, it is not the best place to install your ground wire for various accessories

Chassis battery ground connections should goto the engine

With the engine running and headlights on, set DVOM to 20 Volts DC, and make the following connections: Positive (+) battery post to the Negative (-) battery post. Reading should be 14.1 to 14.6V. Negative (-) battery post to the Engine block. 0.04VDC volts max is expected Set the voltmeter to read ohms (resistance) and probe the battery's negative stud and ground connection on the accessory (the ground terminal on an amp, for example). If you have a reading less than five ohms, the ground is okay. If the resistance is okay but the accessory still isn't working right, set the voltmeter to DC current (voltage) chassis. The highest current ground is to the engine block, since that is where alternator and starter currents flow. That ground has to be a very solid low resistance connection. It is a direct connection to the battery with batteries near the engine, and often via the chassis with remote batteries. A ground must always connect from the battery

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Diagnosing the Symptoms of a Bad Engine Ground - AxleAddic

Is it necessary to have two ground wires (1 to engine and

Quickly showing a how to verify a good engine block ground to avoid damage to the shifter cable, shifter cable could act as a ground.-cable could carry curre.. If the engine block has 12 volts on it that means it isn't grounded properly. You also stated that the main ground wire has 12 volts on it. I assume you are using the battery post as your ground reference for whatever tester you are using. If that is correct then it means something is wrong with main ground connection at the battery 8) Again, either drill a new hole or connect this wire to the stock chassis ground. From the chassis ground, run the wire back to one of the mounting posts for the a lternator (or to a bolt on the engine block).-9) That's it! You're done. Reconnect the vehicle's negative battery terminal and check out the difference How to troubleshoot a bad engine block ground with just a simple test light. The key with this type of troubleshooting is in understanding how to load the c..

The battery negative is also connected to the engine negative terminal or its bus. The key factor here is that the yacht's electrical system is connected to seawater ground at one point only, via the engine negative terminal or its bus. To avoid making another DC ground to the engine via the HF/SSB radio copper ground strip, fasten the. Secondly, you do NOT hook a battery charger up to charge a battery by applying an alternate ground source, i.e. an engine block. The ground connection for a battery charger, used at a 2-4 amp rate (trickle charging) should ALWAYS be applied direct to the ground side post of the battery. Hence why, you remove the battery from the vehicle

The main battery ground goes to the engine as everyone knows, and also there is a ground branch attached to the body. It is vitally important that any current path being supplied voltage MUST also have the same ability to return the to the battery As in the page referenced above, on most power boats the ground point is the engine block. But, what about an outboard? The engine is also used as ground on an outboard. Most outboards over ten horsepower have a built in wire harness that leads to the battery and the instrument panel. One of the wires in that harness is the ground wire 11.4.11 Engine Negative Terminal - the point on the engine at which the negative battery cable is connected. 11.4.16 Ground. The potential of the earth's surface. The boat's ground is established by a conducting connection (intentional or accidental) with the earth, including any conductive part of the wetted surface of a hull The Ground Strap is located between the negative car battery terminal and the body of the car. You do also have a ground strap between the engine and the body. It is often located very visible, so finding it should not be a problem if you find the car battery. How to Diagnose the Ground Strap? Testing a ground strap is very easy

How to properly ground engine block? - Chevy Message Forum

  1. 9,050 Posts. #2 · Mar 9, 2010. Run a heavy ground strap from the engine (I usually use battery cable from starter mount or belhousing bolt to a close clean bolt on frame). Then ground the battery to the frame with a short cable. A good ground is accomplished. Then run a frame grounded electrical bar near fuse box to ground all wired devices
  2. al. This is on the driver (air filter). Going to ground it today. If I have time, I will do neg battery to engine block and the pic above. I will wait for Alt+ to Battery+ and do it when my HO 270 mechman alt arrives
  3. I had thought the NEG cable had two ground points anyway (very generally speaking); one back on the firewall that grounds to the chassis and one on the engine block, so I assumed that the disconnected section of the cable should have gone to the engine block and just acted as a redundant ground which is why the jeep still runs without it
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  5. Agree with Squirrel. Find a spot on the engine block/bell housing, run a flat braided ground strap (sell 'em thru Summit/Jegs, etc.) to the chassis and run your battery ground to a point on the chassis as well. Make sure the metal surface is clean & free of rust. You can never have too many grounds

Is this engine block to ground? Nissan Frontier Foru

4. The chassis, metal body on a monocoque car is used as the negative wire, or ground. This saves on needing two cables (supply and return) to each device or light etc. The accountants save on the cost by reducing the number of cables and often by minimizing the cable size used to each device. So each battery negative is connected to the. That means the ignition, the starter, even the alternator is using the aluminum engine block as a big ground. That main cable from the transmission housing to the battery is very important because it provides a clear reference to ground (batt negative) because the entire engine & tranny are held in place with rubber, completely isolated from. On some Fords the negative battery cable goes down to engine block near starter, and it has midway along its length what looks like a simple mounting tab that bolts to the inside fenderwell. That is more than a mounting tab, it's the grounding tab that ties battery negative and engine both to chassis sheet metal Ok, so there is only one ground from the pass. side engine block to frame. Can't find this one! I will install one from the driver's side to left frame. It will be on the same bolt the neg. battery cable is installed. Any prob. with this let me know please. So there is not one for the trans.? I suppose the trans. is grounded through the engine

I have been running my car (1951 Plymouth Cranbrook) for over a year now with the negative terminal grounded to the engine block. That is how the car came when I bought it. The battery is very old and does not hold enough of a charge any more and so I decided to replace it. I bought an Exide 6 volt What is the factory configuration for the connection of the battery ground to the the engine block on a 1970 F250 camper special 360ci. It is currently grounded to the stud on the exhaust manifold, which is very rusty and not providing the best grounding. I am restoring the truck to factory specs. Thanks, Carlo My battery went dead and I took it to the car shop and they tested my battery and verified it. I purchased a new battery and hooked it up but still no cranking power - it appears to be pushing about 10volts. I went back and inspected all my battery cables and the ground cable that is supposed to hook to the engine block was hanging loose Jordan probably hooked his battery ground to the car or truck frame not the engine block. So when he cranked the starter, which can pull over an hundred amps, the negative connection from the starter had to go through the little wire that grounds the frame. Not big enough to ground a starter. Battery grounds have to go the engine block. Period

Stupid question, ground cable from the battery goes

  1. al because the starter motor and alternator are in contact with it. From the engine block, ground straps must lead to the submerged metal parts, including rudders and sacrificial anodes
  2. Ground Location - Lower Engine Block. I was cleaning all the grounding connections in the engine bay. The heavy black negative wire from the battery attaches to the lower front left side of the block. It looks like that bolt head (4wd, 5.3) is not easy to get to
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  4. - Positive from battery to positive from alternator - Negative from battery to ground - Engine block to ground Just wondering where the engine block to ground is located? Both locations would be nice I guess, more specifically the engine block location
  5. Connect to a heavy gauge metal part of the frame or engine block. **For a positive-grounded vehicle, connect the NEGATIVE (BLCK) clip from the battery charger to the NEGATIVE (NEG,N, -) ungrounded post of the battery. Connect the POSITIVE (RED) clip to the vehicle chassis or engine block, away form the battery
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The last wire that will need improvement is the ground wire from the battery to the engine block. The alternator is grounded to the engine block by its mounting points so the engine block itself becomes an electrical ground distribution block. You can add a wire from the chassis of the car to the engine block A ground could be good but the supply of power could be hindered. What kind of cables do you have going to the starter from the battery and from the battery to the engine block ?. If it's a top post battery, pull the cable ends off, clean the posts and the cable ends and reattach and see what happens The ground wire to the body is small because that is all that is needed for the stock loads, the biggest load is the starter and it grounds to the block that is where the main negative wire goes, when I did my dual battery setup I replaced the small wire with a 6ga, not sure the tiny bolt and thin sheet metal it attaches to would carry much. But a 1-2-BOTH marine battery switch also allows you to parallel both batteries. Both settings might be used when you are running your engine and want to charge both batteries from the alternator, or if you need to parallel the batteries in an emergency to help start your engine if your start battery becomes too depleted During cranking, a lot of current flows through the ground strap between the engine and the battery, so there's a voltage drop between the engine and the battery. This in turn induces current in the ground wires going to the ECU; or in other words, the ECU shares some of the starter motor current

Joined Jun 12, 2010. ·. 989 Posts. #4 · Mar 31, 2011. You can use 2 ground straps for your engine, and also run a #12 ground wire from the negative post terminal to the inner fender. (Some neg. battery post come with this #12 wire molded in to the terminal. Just use an extension with and eye connector and splice connector) The first nut is in an odd angle, and small, need to have the right tool to break this one loose. 2. I had to make a couple of slits in the battery cover panel for the new ground wire. TL Ground man's photo shows it like I did it, but had to make the slits with a box cutter. 3. Careful when turning the 3 nuts on the engine cover shroud

Best place to ground the battery??? El Camino Central Foru

The battery ground engine and tub all need to have shared ground But I ended up connecting it to a ground on the block, and everything works so far cwhack: Btw this ground is located south of the air-filter. I just finished dropping in a Golen 4.6L stroker if you guys wanna check out my progress, check out my build thread!. Discussion Starter · #1 · Feb 3, 2009. Good morning all. Where is the correct mounting location for the grounding end of the negative battery cable on a 1966 Mustang C-code coupe with a C4 automatic? My thoughts are on the lower right side of the engine block with the transmission line securing clip, or the right upper face of the cylinder.

2. Clamp a red clamp to the positive terminal of the dead battery. Leave the rest of the jumper cable on the ground as you bring the clamp over to the car. Double-check the + and - labels on the battery before attaching the clamp. Squeeze the clamp to open it, then fit it securely around the metal terminal The frame closest to your battery is the best place to ground. Make sure you have a good ground to the engine block from the frame as well. Once you start your car, the main ground is the case of your alternator, so if there is no problem starting the car your battery ground is sufficient Re: Where is the ground on a boat? Everything on your boat should be referenced to your engine's running battery - (NEG) terminal unless you have a yacht and have an APU.\. If you have a metal boat, run a dedicated wire from the hull somewhere to the - batt term. This is a static ground, not a current carrying ground The ground strap or ground wire is the cable that connects the engine block to the chassis, or sometimes directly to the negative battery terminal. This strap completes the circuit for electrical accessories grounded to the engine block instead of directly to the chassis. The accessories may include the ignition system, alternator or any number. A vehicle chassis power ground completely eliminates the current path through the radio or accessory if the engine block ground battery lead opens, and alternator AC ripple no longer can drive the negative lead to the radio. Any connection can fail, and in the very worse case possible we have only radio operating current

Get this Battery Ground Cable for your 1987-1993 Mustang from CJ Pony Parts! These ground cables offer durable construction and factory-style connectors for your Mustang. Also called the negative battery cable, this runs from the battery to the engine block and body of the vehicle. California Residents: Proposition 65 Warning. Installation. The most common bad connection is where the battery ground cable bolts to the engine block. Other possibles are a cable that is corroded inside the insulation, bad connection to the battery post(s), poor electrical connection where the starter motor is bolted to the block Your battery needs to be grounded properly to all the places it was originally grounded. Best way to do that is run a few $ worth of ground cable, of the same gauge as your positive back to where the battery was. There you will find it will be grounded to the block, the body, and into the small ground wires within the wiring harness

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Placing the ground wire on the engine gives the shortest, most direct path for the circuit and the high rpm miss will disappear. And speaking of good grounds, take a short piece of battery cable and make a ground strap that runs from the engine block to the frame rail of your vehicle. If you have moved your battery to the rear of the vehicle. We highly recommend you take a Digital Multi-Meter and measure the resistance of your newly installed cables before connecting the negative battery cable. Your ground from the battery to the engine block, and the positive terminal on the alternator to the disconnected positive cable on the battery should measure less than one ohm

Next, attach the Mustang battery's red positive cable to the left post of the starter solenoid and tighten down with a 1/2 inch wrench, as shown in the picture in Step 5. 7. Bolt the negative battery cable to the engine block in the same location where the alternator harness is grounded to the engine block. This bolt required a 9/16 inch wrench There are 2 connections which must be intact or upgraded when adding any components that draw significant amounts of current. The first is the short ground wire which connects the negative battery terminal to the vehicle's chassis. The other connection is the braided ground strap that connects the engine block to the chassis BTW, I have a 2011 sedan. I saw on a Big 3 video, this guy's Scion has an OEM wire connecting the engine block (ground) to the battery negative terminal. Then another wire from the battery negative to the chassis. The guy later switched that ground point to the front strut tower Golf/Jetta IV Ground List; Ground Torque (Nm) Location Description Notes; 1: 16: Engine compartment, left side, below battery tray: Battery cable: From battery to body: 2: 15: On transmission, near engine block: Battery cable: From battery to transmission/engine: 12: 9: Engine compartment, left side, below battery tra Your ground to go from your alternators ground post to the engine block is totally useless to do. Just go from either your engines alternator ground point to the negative of your battery or take a grounding point from your engine to the negative of your battery. Either way it will be a good grounding point

Battery to block. Battery to body/chassis. Engine to body (usually from a head or intake to the cowl area) And body to frame-if not a unibody. From my experiences, they are all important for various reasons. Lacking a good battery to engine block ground can cause all sorts of starting problems Engine block ground terminal locations? Jump to Latest Follow 1 - 17 of 17 Posts. 148am Most of the ground terminals in the engine bay on this car were not looking too fresh (or missing, in the case of the LH head to frame strap). Small neg battery ground. Ask @plain OM for the rest...

Resistance is often caused by old battery cables or poor connections at the battery, starter, or engine block (grounds). Bottom line is if the starter motor can't turn the engine fast enough, it has to endure the loading and unloading of each compression stroke Next run a GROUND 0/0 OR 0/1 Cable forward from the trunk to the ENGINE BLOCK and ground it to any handy bolt at or near the starter.. SOME GUYS will tell you you don't need to do this, and maybe for them is rightly so. A matching size ground cable needs to be connected between the engine/trans combination and the frame for vehicles with short ground cables from the battery to the frame and those with a ground cable running all the way to the starter. All connections should be full metal-to-metal contact Imperial, CA. Oct 10, 2006. #6. weldithot79 said: To be safe do like sand king said, run a ground to the frame and then one from the frame to the block. The heavier the wire the better, and make sure you have a good connection at all points

Draw in RED the RIGHT TURN LAMP circuit from the battery to ground. 3. Draw in BLUE the HAZARD INPUT CONTROL circuit from the ground to the flasher. L-2 Page 5. MAZDA TURN / HAZARD LAMPS WORKSHEET #2 Y V U Z W X Explain how each of the following conditions will affect the circuit 1 How will the circuit be affected if there is an open at point For extra grounding between the block and the frame (in addition to the braided grounding strap on the back of the passenger head), I also run a 4 gage battery cable from the factory ground location (where your rusty bolt is) on the block to one of the bolts on the sway bar mount On positive ground cars, the cable that's attached to the positive post of the battery attaches to the engine block or chassis. The cable that attaches to the negative post of the battery attaches to the starter solenoid. The connections are opposite on negative ground cars. When charging positive-ground cars, put the positive cable on the. Establish A Good Engine Ground The first electrical connection to make as soon as the engine is mounted is the one to establish a good engine ground. In most aircraft, you do this by connecting one end of a heavy cable, or metal grounding strap, to some conveniently located bolt on the engine crankcase

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Primarily as a radio frequency ground (thats why it is a braid and not a wire). It helps keep electrical noise from radiating in or out of the engine compartment through the hood and turns the hood into a good ground plane for the antennas. Second, it acts as a DC ground to prevent galvanic corrosion on the hinges and hood latch Battery /. 49-53 Ford & Mercury Battery Ground Cable. Fits all 49-53 Ford and Mercury. Connects battery to engine block

Code 0320 comes up. crank sensor? disconnect battery and reconnect and it would not start. and code was p-0320 again. then still no start so we left it sit.came back reconnect battery and No codes. runs ok,but noticed loose ground strap from engine to firewall.so it tightened up. now no quit issues so far but just idling The fuse block can be a common problem in some early Mustangs. The reason is mainly its location within the car rather than complex circuitry. This block from a 19641⁄2 to 1966 car exhibits the corroded terminals often found in these applications due to water leaking from the cowl area on the block TOM: If the ground cable was so loose that it was no longer making contact with the battery post, the car would do nothing when you turned the key. You said your car cranked but then failed to start. So we know battery power was getting to the starter motor. That means the ground was connected. RAY: So something else caused your car not to start I have found really obscure ground connection problems on older fords. The compressor braket is aluminum if memory serves me. The braket sometimes gets corroded and will not make contact to the engine block. Since the starter is bolted to the block or aluminum bell housing there is a poor ground connection back to the battery Now for the third and final wire: the engine block ground. Basically, find any bolt on your engine that you can safely (don't be stupid) bolt a wire to to ground the engine block. Don't use the alternator power wire (that defeats the purpose and will short your electrical system and cause a fire once again)

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I took my 15 Chevy Malibu with check engine light on and radio turning off when it would go to auto/Stop code was p305f battery wires and ground look good they replaced a fuse block located on top of battery and changed a connector and installed a new pigtail I really don't know what all this means but it might help someone with this code I just got it today so hopefully nothing else comes u 6,542 Posts. #2 · Nov 3, 2009. You dont necessarily need to use the old grounds when replacing them. Just run new wires from the Battery to a close spot on the frame, spare bolt on the engine block, and convenient point on the body (preferably the Firewall as it has thicker steel and works better). Run a new ground from the body to the frame. Usually a bolt on the engine block will do. You want to avoid placing the Negative (-) cable directly on the dead battery to minimize the chance for an explosion. You should only use the post on the dead battery as a last resort. You'll get a spark as you connect the ground, this is normal Ford - Bronco and F-150 small/big block, 3 cable, 1 ga MILITARY cable set #18872. Suitable for big block or very high compression V8. Includes: 1 ga RED with Positive Top Post and 5/16 (battery to the solenoid). 1 ga RED with 5/16 and 5/16 (solenoid to starter). 1 ga BLACK with Negative Top Post and 3/8 (engine ground). 6 ga lead (body ground) Chevrolet Chevelle - 1966-67 Big Block Heavy Duty 1/0 Top Post - Negative. 26-inch black 1/0 gauge SGT battery cable Negative top post and 1/4 lug (engine ground) 12-inch lead with 1/4 HD lug (chassis ground

No ground wire on back of engine on 65 Coupe 289 ATOMRE268160: 5103, 5203, 5303 and 5403 Tractors, Block File| Repair Guides | Wiring Systems (2007) | Power And| Repair Guides | Serial Number Identification | Engine