1985 GMC G1500 Electrical, Lighting and Wiring Parts

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Headlight & Taillight Wiring Diagram

Headlight & Taillight Wiring Diagram

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Check out this headlight wiring and taillight wiring diagram.

Grounding the Electrical System

Grounding the Electrical System

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Are your gauges reading erratically or does your car run out of power at high rpm? It may be the cause of a bad ground. Speedway Motors can show you how to diagnose and fix the problem in no time at all!

Camaro RS Parking Lamp Assembly

Camaro RS Parking Lamp Assembly

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Learn how to install 1970-73 RS Camaro reproduction parking lamps and how to overcome some obstacles during the installation.

Replacing GM Rear End Spherical Bushings

Replacing GM Rear End Spherical Bushings

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In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

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