![TAC Throttle Body Wiring Diagram (2006, 2007 4.2L Buick Rainier) TAC Throttle Body Wiring Diagram (2006, 2007 4.2L Buick Rainier)](/images/articles-1300-1399/1360/1360/circuit-diagram-1.jpg)
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APPLIES TO: This simplified TAC system wiring diagram applies to the following vehicles:
- 4.2L Buick Rainier: 2006, 2007.
You can find the 2004-2005 4.2L Buick Rainier TAC system wiring diagram here:
The following tutorial will help you test the electronic throttle body:
Electronic Throttle Body Terminal Pin Out Chart
![Electronic Throttle Body Terminal Pin Out Chart. TAC Throttle Body Wiring Diagram (2006, 2007 4.2L Buick Rainier) Electronic Throttle Body Terminal Pin Out Chart. TAC Throttle Body Wiring Diagram (2006, 2007 4.2L Buick Rainier)](/images/articles-800-899/870/878/image_2.jpg)
Pin | Wire Color | Description |
---|---|---|
A | Dark green (DK GRN) | TPS 1 Signal |
B | Light blue with black stripe (LT BLU/BLK) | 5 Volts (TPS 2) |
C | Black (BLK) | Ground (TPS 1) |
D | Purple (PPL) | TPS 2 Signal |
E | Yellow (YEL) | Throttle Actuator Motor Control |
F | Brown (BRN) | Throttle Actuator Motor Control |
G | Grey (GRY) | 5 Volts (TPS 1) |
H | Black with white stripe (BLK/WHT) | Ground (TPS 2) |
More 4.2L Buick Rainier Tutorials
You can find a complete list of 4.2L Buick Rainier tutorials and wiring diagrams here:
Here's a list of articles you'll find there:
- Blown Head Gasket Tests (2002-2004 4.2L Oldsmobile Bravada, 2004-2007 4.2L Buick Rainier).
- Electronic Throttle Body Tests (2002-2004 4.2L Oldsmobile Bravada, 2004-2007 4.2L Buick Rainier).
- How To Test Engine Compression (2002-2004 4.2L Oldsmobile Bravada, 2004-2007 4.2L Buick Rainier).
- How To Test The Ignition Coils (2002-2004 4.2L Oldsmobile Bravada, 2004-2007 4.2L Buick Rainier) .
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