Transfer Case Encoder Motor (NQF/NQH)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Transfer Case Encoder Motor (NQF/NQH) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
A	3 TN	1552	Motor Control A
B	3 RD/BK	1342	Battery Positive Voltage (NQH)
C	2 TN	1569	Lock Solenoid Control (NQH)
D	3 OG	1553	Motor Control B
E	0.35 D-BU/WH	7473	Incremental Encoder Impulse Signal (Except NQH with 4.3L)
E	0.35 L-GN/D-BU	7473	Incremental Encoder Impulse Signal (NQH with 4.3L)
F	0.35 YE	7474	Incremental Encoder Direction Signal
G	0.35 WH/L-GN	7475	Incremental Encoder Sensor (8V) Supply
H	0.35 PU	7476	Low Reference

Connector Part Information

OEM: 15326654
Service: 88986254
Description: 8-Way F GT 280 Sealed 5.8 (BK)

Terminal Part Information

Pins: A, D (except late production with Diesel), B, C
Terminal/Tray: 15304720/19
Core/Insulation Crimp: 4/5
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A, D (late production with Diesel)
Terminal/Tray: 15392777/23
Core/Insulation Crimp: D/5
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: E-H
Terminal/Tray: 15304719/19
Core/Insulation Crimp: E/5
Release Tool/Test Probe: 15315247/J-35616-4A (PU)