Brothers Trucks Headlight Wiring Harness Chevy/ GMC Truck 69-72 w/ Gauges/ Internally Regulated Alternator

This harness plugs into the dash harness at the firewall on your Chevy or GMC truck to power common circuits. These include the alternator, horn relay, headlights, side marker lights, parking lights, or horn depending on the model year and options on your truck. This wiring harness is for trucks with full factory gauges (not warning lights) and an alternator upgrade that is mounted on the driver side.

Features and Benefits:
- Direct fit replacement wiring harness
- For trucks with factory dash gauges instead of warning lights
- For trucks with internally regulated alternator
- Factory-style harness with correct wiring colors
- Engine side firewall connection location
- Circuits for alternator, horn, headlights, side markers, parking lights, horns

Included Circuits:
- Alternator
- Horn Relay
- Headlights
- Side Marker Lights
- Parking Lights
- Horn

Vehicle Fitment:
- 1969-1972 Chevy C10, C20, C30, K10, K20
- 1969-1972 Chevy Suburban
- 1969-1972 Chevy Blazer
- 1969-1972 GMC C1500, C2500, C3500, K1500, K2500
- 1969-1972 GMC Suburban
- 1970-1972 GMC Jimmy

Please Note: Specifically fits models with driver-side mounted alternator foundon 1972-1984 non-serpentine belt SI Series alternators.