Quote:
Originally Posted by 1931 flamingo
I thought engine pans WERE a ground source.
Paul in CT
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Agreed, they are a ground path. Over time corrosion/etc can affect the quality of the ground, hence some add a cable from the battery frame connection to the motor or trans. - can help especially 6V with the starter. Same concept as adding dedicated grounds to each headlight instead of relying on the head light/head light bar mechanical connections - can help improve brightness of head lights.