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ECU power output, and extra grounds

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hereitcomes

15+ Year Contributor
1,219
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Apr 9, 2005
Wauwatosa, Wisconsin
My question is regarding the pinouts for the ECU; mainly 106 & 107 power and ground. I have an old school 5 knob AFC installed and will be installing an APEX' i AVC-R. The only shared wires of both these tuning devices are the power and ground.

I searched for some related info and found this thread (a bit old):

http://www.dsmtuners.com/forums/new...-ground-calling-all-electrical-whiz-kids.html

Is it ok to just combine grounds, and have both power wires into the same ECU pin? The thread said something about popping a ground on the ECU. I won't be looking forward to that. Any help would be appreciated. If I need to use power and ground from another source I'm sure that can be arranged. Thanks a lot guys!!! Have a swell day, and thanks for reading!
 
VFAQ Site - Visual Frequently Answered Questions
Sharing grounds is okay. The ECU has a ground loop isolator, mainly to cut down on "noise". I'd ground somewhere else then EXACTLY where the ECU grounds. But who knows you could have no problems.

Follow that link. Shows you everything you need to know and then some.
 
My question is regarding the pinouts for the ECU; mainly 106 & 107 power and ground. I have an old school 5 knob AFC installed and will be installing an APEX' i AVC-R. The only shared wires of both these tuning devices are the power and ground.

I searched for some related info and found this thread (a bit old):

http://www.dsmtuners.com/forums/new...-ground-calling-all-electrical-whiz-kids.html

Is it ok to just combine grounds, and have both power wires into the same ECU pin? The thread said something about popping a ground on the ECU. I won't be looking forward to that. Any help would be appreciated. If I need to use power and ground from another source I'm sure that can be arranged. Thanks a lot guys!!! Have a swell day, and thanks for reading!

Wow! That thread turned into a flaming!
 
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