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Home >> GMC >> 2001 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1775 (Engine Controls - 6.6L - Component Locator) >> Component Locator >> Engine Controls Connector End Views >> Power Take Off (PTO) Relay

Power Take Off (PTO) Relay

WARNING: This page is about a different car, the 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, 2001 Chevrolet Silverado, and 2001 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Power Take Off (PTO) Relay

GM535912
Connector Part Information
  • 12129716
  • 4-Way F Metri-Pack 280 FLX LK (MD GRY)
Pin Wire Color Circuit No. Function
30 ORN 3440 Battery Positive Voltage
85 LT GRN 488 Power Take Off Switch - Output - Enable
86 PPL 2562 PTO - Engage Signal
87 WHT 2561 PTO Signal