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94 C4 coupe - Amplifier grounding point?

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Old Sep 22, 2005 | 09:37 PM
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Default 94 C4 coupe - Amplifier grounding point?

If anyone has installed an amplifier behind the driver's seat in a later model C4, can you please let me know where you grounded it and if you did anything special to prepare the ground point?

I'm thinking that i should remove the driver's seat frame and try to remove the seat belt buckle anchor point and ground to that, but I don't know if there is going to be metal there to easily ground to.

Little help?
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Old Sep 23, 2005 | 06:35 AM
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I had mine installed for me. Should have done it myself.

They spliced into the anti lock system in the hatch behind the driver's seat. Seems to work ok.
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Old Sep 23, 2005 | 07:14 AM
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Just use one of the seat mounting bolts
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Old Sep 23, 2005 | 07:43 AM
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Default Which bolts?

Originally Posted by corvette-pilot
Just use one of the seat mounting bolts
To make sure that I'm clear - do you mean the bolts that mount the seat track to the floor or the seat frame to the track? I've had the seat frame out a couple of times throughout this install, but I wasn't sure that it would ground back to the vehicle chassis. I haven't removed the seat track yet, but I'll do it if I need to.
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Old Sep 23, 2005 | 09:34 PM
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still looking for a quick answer. ttt.
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Old Sep 23, 2005 | 10:50 PM
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You running power from the battery, right? Just run a ground with it. It solves many problems especially in a composite body car.
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Old Sep 23, 2005 | 11:08 PM
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I like the idea of running a ground from the battery at the same time as the power cable. What size should the ground wire be ? Does it need to be a big hog like the power wire ?
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Old Sep 24, 2005 | 10:38 AM
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Originally Posted by ShawnZR-1
You running power from the battery, right? Just run a ground with it. It solves many problems especially in a composite body car.
Granted, i'm not an expert, but it was my understanding that this wouldn't be a good idea. the ground is supposed to be as close to the amplifier as possible and definitely not grounded directly to the battery. Installation kits typically only give 3-4 feet of equal gauge ground wire for this reason.

i'd prefer to hit a chassis ground point on the seat track/seat belt anchor, so I'm trying to find the best option in the area of the driver's seat. Hopefully corvette-pilot sees my question about his previous comment and can clarify what he meant about 'seat mounting bolt'.
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Old Sep 24, 2005 | 11:25 AM
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I ran my ground wire back to the battery, I didn't try the seat bolts because originally it wasn't mounted behind the seat, you can see it is now in my pictures. Usually you want to run the same size ground, I do now, but I don't think you have to, the first system I did I had 4 gauge power wire, and ran 12 gauge ground which was only 6 in. to the body so maybe the distance made a difference. Grounding to the seat belt anchor or where the seat frame bolts to the car frame, so just in case it can't get in the way of tracks.

Last edited by BRICHC4; Sep 24, 2005 at 11:27 AM.
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