American Autowire Classic Update Wiring Harness Kit Chevy Chevelle 70-72
Highlights
- Pre-Built Dash Harness
- Adds an Updated Fuse Panel
- Extra-Long Wiring Leads
- Factory-Style Connectors
American Autowire Classic Update Wiring Harness Kit for 1970-1972 Chevy Chevelles.
This wiring harness kit (510105) modernizes your Chevelle's electrical system while keeping a factory appearance. It features a modern fuse panel with labeled GXL wiring for simplified routing and maintenance. The pre-built dash harness supports stock or aftermarket gauges and steering columns. Pus, extra-long leads make it easy to customize your install. This kit handles higher output alternators for a dependable, updated setup.
Features and Benefits:
- Complete wiring solution from headlight to taillight
- Modern ATC fuse panel features labeled GXL wiring every 3-5"
- Extra-long leads for flexible custom routing
- Pre-built dash harness with convenient gauge cluster disconnect
- Engine and front light harness supports updated combos
- Factory-style bulkhead connectors included
- Power accessory plug allows for aftermarket add-ons
- Rear body wiring with extended leads
- Mega fuse kit features a 6-gauge charge cable
- Connectors are for 1969+ GM steering columns
- Gauge cluster printed circuit board connector and terminals
Kit Includes:
- (1) ATC Fuse Panel with Fuses
- (1) Pre-Built Dash Harness
- (1) Engine/Front Light Harness
- (1) Rear Body Wiring Section
- (1) 6-Way Power Accessory Plug
- (1) 175 Amp Mega Fuse Kit with Charge Cable
- (1) Headlight Switch with 26-Amp Breaker
- (1) Floor Dimmer Switch
- (1) Replacement Ignition Switch
- Set of OE-Style Connectors, Terminals, and Lamp Sockets
Please Note: If you have a Chevelle station wagon or an El Camino, you will need the 1968-1972 add-on kit (#510166) in addition to the Classic Update kit.
Vehicle Fitment:
- 1970-1972 Chevy Chevelle
California Residents: Proposition 65 Warning
Related Categories: Electrical & Wiring, Restomod, Wiring Kits
Installation Difficulty

Intermediate skill is required for this installation.
Installation Instructions
Vehicle Fitment
This product will fit the following Chevelle years:
- 1970,
- 1971,
- 1972,
-
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