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06-13-2019, 09:05 PM | #1 |
Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,445
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Wiring diagram 1990-91 suburban
Finishing up the wiring on my 4L80e conversion and have to wire the controller into the factory ECM. Trying to figure out which wires are which. Any one have a diagram of the pigtails going into the ECM or a whole harness pic?
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