Malfunction Indicator Light....
08-07-2010, 12:18 PM
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Malfunction Indicator Light.... Looking for the Wiring for MIL Or SES Light for 03 Tahoe. Anyone tell me where I can find the wiring for the check engine light it would be greatly appreciated. I've looked but cant seem to find what I need.
08-13-2010, 06:04 AM
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Could you be more specific ( no sarcasm intended) what do you need as far as "wiring" and what are you trying to accomplish? The reason I ask is , I'd be happy to look on my Mitchel on Demand and pull the wiring diagram for you but I need more info as to the cicuit that it is on because MOD is very picky about little details?
08-13-2010, 06:49 AM
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On mine an 02 it is on the black plug from engine harness that went to the body. I think its called like c100 has about 16 or so pinouts on it. Its a brown/white wire. I cut mine and tied it into my swap vehicles cel.
http://www.lt1swap.com/vortec_truck_pinouts/2003.htm
this link has the pinouts for 2003. Its in that c100 plug.
http://www.lt1swap.com/vortec_truck_pinouts/2003.htm
this link has the pinouts for 2003. Its in that c100 plug.
08-14-2010, 07:50 AM
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Well basically I want a standalone MIL . The Motor is in a 92 Mustang. My Harness is Standalone no Intergration really with the car. I see those wires in that harness but I can't figure out where it's tapping into . At the VCM or what?
08-14-2010, 08:04 AM
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Second drawing, wire #46 brown. Should be a ground signal to the light, the other side of the light goes to hot. Find that wire in the harness and connect one side to the light, other side to fused hot...if you use an LED, watch your polarity......only works one way...
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08-14-2010, 08:11 AM
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What I'm saying is in My harness the only things I need is there. All the rest is gone. So Either it would have to be a PCM Pin ,or on the OBD2 Port. Because all my other stuff is used.
