ecm grds
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Joined: Jun 2012
Posts: 106
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Car: 88 gta
Engine: 305
Transmission: T5
Axle/Gears: 3.42
ecm grds
Ok I have the ecm (165) pins and the circuits they attached to...
What I need is a reference as to what circuits the grd wires listed on the ecm pins actually go to? (Espcially the Ecm ground itself.)
Where in/on the vehicle these grds are suppose to go?
I ask because the haynes manual, well that ain't a whole lotta help in that deparment.
What I need is a reference as to what circuits the grd wires listed on the ecm pins actually go to? (Espcially the Ecm ground itself.)
Where in/on the vehicle these grds are suppose to go?
I ask because the haynes manual, well that ain't a whole lotta help in that deparment.
Joined: Apr 2005
Posts: 7,736
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: ecm grds
Any ECM ground wire only has to go to a good ground point ( generally on the engine ); it is not part of any other " circuit"
Systems controlled by the ECM have a return wire to the ECM that the ECM grounds using the ECM grounds you are looking at
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