Author Topic: How can I tell if my Chevette is negatively earthed?  (Read 505 times)

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Offline Early Doors

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How can I tell if my Chevette is negatively earthed?
« on: Dec 08, 2017, 13:21:54 »
Howd'y comrades,

How do I find out if my Chevette is negatively earthed?  Is their a test or obvious indicator about how it is earthed?  Really not an auto-electrics specialist...

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Offline scotty

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Re: How can I tell if my Chevette is negatively earthed?
« Reply #1 on: Dec 08, 2017, 14:03:45 »
It is negative earth - The battery negative terminal is connected to the body of the car.  There haven't been positive earth cars made since 1960s as far as I know.

Offline Early Doors

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Re: How can I tell if my Chevette is negatively earthed?
« Reply #2 on: Mar 14, 2018, 21:34:02 »
Thanks for replying.  I was able to move forward with a repair thanks to this.  After you replied, I found the information in my Haynes.  Still, thanks.

Offline Bill

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Re: How can I tell if my Chevette is negatively earthed?
« Reply #3 on: Mar 18, 2018, 19:01:06 »
yep negative earth .  There is some mileage in getting a thick (25-35 mm sq) cable with a battery terminal one end and a 8mm lug on the other and fitting this for the negative terminal.

this runs from battery negative down to one of the engine bolts, i tend to use one of the gearbox bell housing bolts as it then means the cable runs down nicely and out of the way.

This improves cranking a lot and also stops the accelerated rot from passing high currents through the bodywork.

Bill

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