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Old 07-10-2013, 10:48 AM
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Grounding straps?

Hey guys, I am fairly new to hot rodding and have been reading in several places on the net about the importance of grounding straps. I am currently building a 65 Chevelle and was wondering how many grounding straps my car should have, and where they should be located? Or am I making a big deal out of something small? Any help would be great. Thanks

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Old 07-10-2013, 12:21 PM
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Grounding straps are not only necessary but will go a long way to eliminating problems. You need one from engine to frame, engine to negative battery post, body to frame, and it would not hurt to have a dedicated ground lead routed inside the car to land on a grounding terminal strip if your car is a glass body.

Vince
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Old 07-10-2013, 08:39 PM
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Suffice it to say that the vast majority of electrical problems in cars are due to faulty grounds. If you have an electric radiator fan with the fan switch tapped into the radiator, you should probably run a ground to the radiator. Depending on your gas tank mounting, you might want to run a ground to the fuel level sender housing. Also make sure that the connection points for every ground are clean and paint-free.
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Old 07-10-2013, 08:45 PM
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Does it matter if I use a large gauge wire or braided strip?
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Old 07-10-2013, 08:54 PM
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Quote:
Originally Posted by SmileGuy49 View Post
Does it matter if I use a large gauge wire or braided strip?
Doesn't matter, whatever you like best. Clean the connection points down to bare metal, make your connections, then cover up the connection with silicone to prevent oxidation. There is no such thing as too many ground connections on a car. While you're at it, replace the battery cables. I have seen them corrode down inside the outer cover so that you can't see the corrosion from the outside.
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Old 07-10-2013, 09:00 PM
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Any grounds to the engine should be the braided style as they are likely to last longer from the vibrations. All the others would be fine with standard wire.

Typically Chevy used two ground straps from the firewall to each head/valve cover from what I remember. That is the way my 64 Impala is set up.
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Old 07-10-2013, 09:42 PM
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Whatever cable you choose, use "star washers" at the connections. They'll bite into the paint/rust/corrosion/ whatever, and give you a better connection. And you really can't have "too many" ground connections. Engine to frame, body to frame, battery to frame, etc.
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Old 07-11-2013, 08:44 AM
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Thanks guys! Sounds like this may help with some of my issues!
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