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Discussion Starter #1
can anyone kinda explain or tell me were all the grounds in the engine bay are on my 91 civic hatch??? there a diagram anyone have??
 

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The Great Weldini
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8,901 Posts
t-stat into wire harness
battery ground to the chassie
engine ground from radiator to engine cover bolt
tranny ground you forgot this one cassie to tranny cable bracket
ecu ground from wire harness
this is correct but i did some changes on it to improve my ground.

brought new battery teminals and wire ends
postive wireleft the OEM wire just clean up the wires from corrosion
ecu ground did not change
t-stat did not change
battery ground upgraded to a 4 gauge wire
tranny cable bracket replaced it with a 4ga
engine ground remoeved it from the rad, replace it to a 4ga wire and connected from the cassie to where the P/S mounting bolts would be(if i had P/S)
 

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