Second Generation Camaro Wiring Solutions (1970–1981)
The Second Generation Camaro (1970–1981) took performance and style to new levels by being longer, lower, and more refined than the first gen. Painless Performance delivers the most complete, factory-fit wiring systems ever offered for these F-Body classics.
Whether you’re restoring a 1970 Z/28, a 1973 Rally Sport, a 1976 Type LT, or a 1981 Berlinetta, these harnesses are built for plug-and-play simplicity. Each system includes every major connector, factory GM color-coded wires, and printed circuit identifiers every 12 inches and all are backed by Painless’ legendary full-color installation manual.
These 26-circuit harnesses cover the full Second Gen lineup, from early split-bumper Z/28s to late-model Berlinetta luxury coupes, ensuring modern reliability with an OEM appearance.
Why Painless Performance for Your Second Gen Camaro
- Exact F-Body Fitment: Designed exclusively for 1970–1981 Camaro platforms — no cutting or splicing required.
- All Connectors Included: OEM-style terminals, sockets, bulbs, and fuses already installed.
- Modern Reliability: Integrated ground circuits and heavy-duty fuse protection prevent voltage loss.
- Color-Coded & Printed Wires: Every circuit labeled every 12 inches for easy identification.
- Supports Any Build: Stock restoration, LS swap, or full pro-touring restomod — Painless has you covered.
- Comprehensive Manual & Tech Support: Over 150 pages of instructions and full U.S.-based support.
- From the split-bumper 1970–1973 Z/28s to the sleek 1981 Berlinetta, these harnesses are engineered to bring your Camaro’s electrical system up to today’s standards while preserving its classic GM soul.
When reliability matters and your F-Body deserves the best, choose Painless Performance.
Simple. Reliable. Painless.
1970–1973 Camaro Wiring Harness (P/N 20112)
Designed for the early Second Gen Camaro (1970–1973), this 26-circuit direct-fit wiring harness is built to handle modern upgrades while maintaining a factory look. From the RS and SS trims to the iconic Z/28, this harness comes pre-configured for every common option and includes fully integrated grounds for effortless installation.
Features & Highlights
- Factory-style GM bulkhead connector
- 26 total circuits with blade (ATC) fuses
- 6-gauge charge wire with 150-amp MIDI fuse
- Fully labeled, color-coded GM wiring
- Pre-installed connectors for plug-and-play reliability
- 150+ page full-color instruction manual included
- Split into engine, interior, and rear sections for easy routing
- New blower motor harness for heat-only cars
Includes Circuits For:
Accessory, Cigarette Lighter, Backup Lights, Blower Motor, Charging, Courtesy/Dome, Electric Choke, Fuel Pump, Flashers, Headlights, Horn Relay, Ignition, Gauges, Power Locks, Power Windows, Tail Lights, Turn Signals, and more.
Fits:
1970, 1971, 1972, 1973 Chevrolet Camaro
Note: Factory A/C wiring not included due to year-to-year variation; includes power wire for use with original or aftermarket A/C systems. Does not support rear window defrost.
Perfect for RS, SS, and Z/28 restorations or restomods seeking modern safety without sacrificing authenticity.
1974–1977 Camaro Wiring Harness (P/N 20113)
As the Camaro evolved through the mid-1970s, the electrical demands increased. The Painless 20113 26-Circuit Harness covers every 1974–1977 Second Gen Camaro — including Type LT and Z/28 trims — with virtually every connector pre-installed for immediate fitment.
Built around the same proven Painless design, this system provides full OEM functionality, modern fuse protection, and an integrated ground circuit to eliminate potential voltage issues common in aging factory wiring.
Features & Highlights
- OEM color-coded and printed wires for easy identification
- ATC fuse block with bulkhead firewall passthrough
- 6-gauge charge wire and 150-amp MIDI fuse
- Pre-terminated connectors and sockets
- Split into engine, interior, and rear sections
- Includes blower motor harness for heat-only vehicles
- Full-color 150+ page instruction manual with alternate wiring options
Includes Circuits For:
Accessory, Backup Lights, Brake Lights, Charging, Courtesy/Dome, Electric Fuel Pump, Electric Choke, Power Door Locks, Power Windows, Radio, Tachometer, Turn Signals, and more.
Fits:
1974, 1975, 1976, 1977 Chevrolet Camaro
Ideal for restoring or upgrading Type LT, Z/28, and RS models, this harness simplifies every part of the wiring process while keeping the car’s originality intact.
Note: Does not support rear window defrost.
1978–1981 Camaro Wiring Harness (P/N 20114)
For the final years of the Second Gen Camaro, Painless offers the most complete 26-circuit harness ever designed for the 1978–1981 models. Whether you’re rewiring a 1979 Z/28, a 1980 Rally Sport, or a 1981 Berlinetta, this kit includes all factory connectors and wiring provisions, ready right out of the box.
Each harness is split into three sections (engine, interior, rear) for simple installation and includes all modern upgrades like a 6-gauge charge wire, integrated ground, and a 150-amp MIDI fuse.
Features & Highlights
- 26 fully labeled GM color-coded circuits
- ATC fuse block and bulkhead connector
- 6-gauge charge wire with 150A MIDI fuse
- Integrated grounds for improved reliability
- All major connectors pre-installed for plug-and-play ease
- Includes blower motor harness for heat-only systems
- Full-color 150+ page instruction manual included
Includes Circuits For:
Accessory, Electric Fuel Pump, Radio/Clock, Ignition, Charging, Courtesy/Dome, Power Locks, Power Windows, Turn Signals, Wipers, and more.
Fits:
1978, 1979, 1980, 1981 Chevrolet Camaro
Built for Z/28, Rally Sport, Berlinetta, and base models alike, this harness modernizes your late Second Gen Camaro’s electrical system while keeping every factory detail correct.
Note: Does not support rear window defrost.