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Re: VSS and Reverse Wires
VSS is on the Gy/Bk circuit from the ABS module to the instrument cluster, wiper motor, PCM, cruise servo, 4WD module, overhead console &/or trip computer.
Reverse comes from the DTR (auto) or reverse switch (stick) on the trans & goes to the trailer relay, parking aid, electrochromic RV mirror, & taillights.
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