Air and Fuel Intake Manifolds and Components

Holley

1970-72 CHEVY/GMC ENGINE HARNESS-V8

$268.28

SKU: H00E EH03680-HMANUAL

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In Stock
Ships by Jun 8
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Holley EH03680-HMANUAL is a Brothers Trucks engine wiring harness designed for 1970-1971 Chevy/GMC C/K Series trucks, Blazers, Jimmys, and Suburbans equipped with a V8 engine and manual transmission. This direct-fit replacement harness plugs into the dash harness at the firewall.

It features factory-style wiring with correct colors and includes common circuits for the ignition coil, wipers, heater blower, starter, temperature, and oil pressure.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandHolley
Part NumberH00E EH03680-HMANUAL

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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