1978 GMC G35 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.

Steering Column Wiring Guide

Steering Column Wiring Guide

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Watch our Steering Column Wiring Guide video for useful tips on wiring your new steering column for your vehicle. Ididit takes you through the wiring process.

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!

Wiring Harnesses for a 1929 Ford

Wiring Harnesses for a 1929 Ford

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In this Tech Tip, a returning customer asks for advice on wiring harnesses for his ’29 Ford roadster project.

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