Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCADILLAC2007ESCALADE AWDREPAIR AND DIAGNOSISBODY & FRAMEIGNITION SWITCH/STEERING LOCKIMMOBILIZER SYSTEMVISUAL IDENTIFICATIONIMMOBILIZER CONNECTORSHOOD AJAR SWITCH (AP3/AP8)

2007 Cadillac Escalade AWD

Hood Ajar Switch (AP3/AP8)

2007 Cadillac Escalade AWDSECTION Hood Ajar Switch (AP3/AP8)

Fig 1: Hood Ajar Switch (AP3/AP8) Connector End View

Courtesy of GENERAL MOTORS CORP.

Hood Ajar Switch (AP3/AP8) Connector Parts Information

Connector Part Information

OEM: 15326808
Service: See Catalog
Description: 3-Way F GT 150 Series BK Sealed

Terminal Part Information

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

Hood Ajar Switch (AP3/AP8) Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
A	PK/BK	109	Hood Ajar Switch Signal
B	PU	5531	Hood Closed Switch Signal
C	BK	250	Ground

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:

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