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Resolved ISC IAC wiring

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_dOp_skyLINe

10+ Year Contributor
90
0
Feb 23, 2009
Juarez, Central America
good day to all,

i have a problem i put a new connector from my ISC and have 6 cables

W WL R R GB GY i need know if the two reds have polarity or not?
 
good day to all,

i have a problem i put a new connector from my ISC and have 6 cables

W WL R R GB GY i need know if the two reds have polarity or not?

From what I can tell from the schematics, both of the Power wires (Red) appear tied to the same source (MPI control unit) further back in the harness, so they should be interchangeable.

Just to be sure, I would test resistance with a meter between the two lead with the battery disconnected, they should be no resistance between the two… then I would connect the battery and test the two wires to ground and make sure they are 12v. Then you can be pretty certain they will not be any problems interchanging.

Good Luck!
 
From what I can tell from the schematics, both of the Power wires (Red) appear tied to the same source (MPI control unit) further back in the harness, so they should be interchangeable.

Just to be sure, I would test resistance with a meter between the two lead with the battery disconnected, they should be no resistance between the two… then I would connect the battery and test the two wires to ground and make sure they are 12v. Then you can be pretty certain they will not be any problems interchanging.

Good Luck!

thank you i will, have a nice weekend
 
From what I can tell from the schematics, both of the Power wires (Red) appear tied to the same source (MPI control unit) further back in the harness, so they should be interchangeable.

Correct, both red wires are the battery voltage from the MPI relay.
 
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