connector C100 and C153 pin labeled "Ignition 3 Voltage??
01-11-2013, 06:54 PM
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connector C100 and C153 pin labeled "Ignition 3 Voltage?? 
does anybody know what this circuit does?
my harness is from a 2001 GMC 5.3 and it has brown wires called "ignition 3 voltage" according to wiring charts, one was in C100 pin n and other C153 pin c.
traced wires out and it ends up on a small black 2 pin connector that i dont remember being hooked up. the other wire off the 2 pin connector seems to hook to a common ground splice.
can i just delete this whole circuit?
