Hood Ajar Switch (AP3, AP8 or PTO) Connector End View

WARNING: This page is about a different car, the 2011 GMC Sierra, 2011 GMC Cab & Chassis Sierra, 2011 Chevrolet Silverado, and 2011 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Hood Ajar Switch (AP3, AP8 or PTO) Connector End View

Courtesy of GENERAL MOTORS CORP.

Hood Ajar Switch (AP3, AP8 or PTO)

Pin	Wire	Circuit	Function
A	0.5 PK/BK	109	Hood Ajar Switch Signal
B	0.5 PU	5531	Hood Closed Switch Signal
C	0.5 BK	250	Ground (except HP2)
C	0.8 BK	250	Ground (HP2)

Connector Part Information

Harness: Forward Lamp
OEM: 15326808
Service: Pending
Description: 3-Way F GT 150 Sealed 4.5 (BK)

Terminal Part Information

Pins: A, B
Terminal/Tray: 12191819/8
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: C (except HP2)
Terminal/Tray: 12191819/8
Core/Insulation Crimp: 2/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: C (HP2)
Terminal/Tray: 12191819/8
Core/Insulation Crimp: 2/1
Release Tool/Test Probe: 15315247/J-35616-2A (GY)