Chevrolet R1500 Suburban Wiring Harnesses & Electrical - OEM-Fit Harnesses & Components

Restore your Chevrolet R1500 Suburban’s electrical system with precision-engineered wiring harnesses and electrical components designed specifically for your vehicle. Each harness is manufactured to match the original routing, connectors, and circuits of your Chevrolet R1500 Suburban—restoring the wiring behind the dash, under the hood, and through the body to factory-correct, or factory-improved, condition.

Our Chevrolet R1500 Suburban electrical lineup includes complete wiring harness sets, battery cables and ground straps, switches, electrical devices, and update/conversion products such as alternator upgrades and electronic ignition conversions. Every component is manufactured and tested to deliver dependable, factory-correct performance, and is organized by your vehicle’s exact year to ensure the harness or component you order is the one built for your Chevrolet R1500 Suburban—not a close approximation.

Use the Vehicle Selector above to find the correct wiring or electrical component for your Chevrolet R1500 Suburban, or browse below to explore available options. Whether you’re chasing judging points with a numbers-matching restoration or simply getting your Chevrolet R1500 Suburban running right, Factory Interiors makes it easy to restore your electrical system with wiring products proudly made in the USA.

1989 Chevy R1500 Suburban Ground Strap

passenger side cab floor support to outboard side of passenger side frame, without dual fuel tanks

1989-1991 Chevy R1500 Suburban Speaker Adapter Lead Wires

front single dash speaker, R/V Series (wiring from speaker to speaker harness connector) Use when installing aftermarket speaker. Made to solder wires directly to aftermarket speaker and with correct connector for connection to original wiring.

1989-1991 Chevy R1500 Suburban Torque Converter Lock-Up Switch Update Kit

use with 700R4 or 2004R automatic trans. EXCEPT 4L60E or 4L80E. Completely externally installed kit allows for automatic operation of the torque converter lock-up (overdrive) without installing the computer!!!! Kit includes instructions.

$113.0
• SALE $112.95
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1989-1991 Chevy R1500 Suburban Torque Converter Lock-Up Switch Update Kit
1989-1991 Chevy R1500 Suburban Blower Motor Resistor

1989-1991 Chevy R1500 Suburban Blower Motor Resistor, built to original specification.

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  • Each option lists the equipment and fitment it covers

(23 Total Products)