Power Take Off (PTO) Relay

2001 Chevrolet Suburban C1500SECTION 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
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.