Would a missing ground cause an ecm failer?
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Junior Member
Joined: Dec 2010
Posts: 81
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Car: 1985 Camaro Z28
Engine: 1988 305 TPI
Transmission: 1993 T-56
Axle/Gears: 3.08
Would a missing ground cause an ecm failer?
I forgot to hook up the set of ground wires that connect to the passenger side cylinder head when replacing the head gaskets. I now lost spark and I was wondering if it is likely that I fried the ecm from running the vehicle with only half of the grounds hooked up?
Supreme Member
Joined: Oct 2004
Posts: 4,526
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From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: Would a missing ground cause an ecm failer?
I forgot to hook up the set of ground wires that connect to the passenger side cylinder head when replacing the head gaskets. I now lost spark and I was wondering if it is likely that I fried the ecm from running the vehicle with only half of the grounds hooked up?
Not sure about the ECM but I bet you fried something by forcing it to sink more current than it could.
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