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1977 GMC G15

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1977 GMC G15

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Electrical, Lighting and Wiring

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Exterior Lighting

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Headlight Dimmer Switch Covers

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Related Articles

Headlight & Taillight Wiring Diagram

Headlight & Taillight Wiring Diagram

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Check out this headlight wiring and taillight wiring diagram.

Replacing a G-Body 7.5" Bolt Rear End

Replacing a G-Body 7.5" Bolt Rear End

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Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

LS7 Lifter Swap Guide

LS7 Lifter Swap Guide

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After installing a new cam in a LQ4 6.0 motor, it is now time to swap the lifters. Follow this step by step guide on how to prep and install LS7 roller lifters.

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.

Chamber Muffler Swap Guide

Chamber Muffler Swap Guide

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An overview on swapping turbo mufflers for chamber mufflers on a 1969 C/10 pickup. See how to extend the muffler length using exhaust pipe.

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1977 Gmc G15 Toggle Type Switches1977 Gmc G15 Windshield Wiper Switches1977 Gmc G15 Push Button Switches1977 Gmc G15 Auto Trans Lock Up Torque Converter Controls1977 Gmc G15 Ignition Switches1977 Gmc G15 Switch Mounting Panels1977 Gmc G15 Brake Light Switches1977 Gmc G15 Turn Signal Switches1977 Gmc G15 Neutral Safety Switches1977 Gmc G15 Dimmer Switches1977 Gmc G15 Headlight Switches1977 Gmc G15 Window Switches
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