Automatic Transmission Wiring Harness
WARNING: This page is about a different variant/trim than selected.
 Courtesy of GENERAL MOTORS COMPANY
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 Courtesy of GENERAL MOTORS COMPANY
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There are three separate internal wire harness assemblies.
- (PASS-THRU) or (5)
- (MAIN/SOLENOID) or (305)
- (JUMPER) or (371)
The transmission internal wire harness is serviced by replacement only. No repairs to the internal wire harness should be attempted.