Painless 28 Circuit Classic-Plus Customizable Wiring Harness, 69-72 Blazer. This 28 circuit GMC/Chevy harness was designed to fit the trucks and blazers. It features a factory style bulkhead connector and has many of the factory connectors already installed on the harness out of the box. Including: the headlight connectors and switch, dimmer switch, wiper motor, ignition switch, blower motor and switch, blower resistor, and instrument cluster. Each wire is custom printed with the circuit identification as well as using GM color codes for easy installation.
Number of Circuits: 28 Circuits - 18 Fuses w/Horn Relay & Maxi Fuse
Harness Length: Factory Fitment
Fuse Type: Blade & Maxi Fuse
Firewall Passthrough: Bulkhead Connector
Color Code Based: Factory GM
Circuit Designations: Printed on Wires
Connectors Included: Ignition switch, headlight switch, dimmer switch, wiper motor, blower switch, blower motor, blower resistor, instrument cluster and headlights, 10SI & 12SI Alternator, HEI Power & Tach, 20 Extra 56 Series Terminals for use with any Factory GM 56 Series Connector such as Headlight Switch, Wiper Switch or A/C Switch/Blower Motor.
This Harness Includes Circuits For:
1. A/C & Heat
2. Accessory/Camper Cover Light
3. Accessory/Cigarette Lighter
4. Accessory/Four Wheel Drive Switch
5. Backup Lights
6. Brake Lights
7. Charging
8. Cruise Control
9. Dome Light
10. Electric Choke
11. Electric Fuel Pump
12. Emergency Flashers
13. Fan Relay Activation Power
14. Fused Power Source
15. Headlights
16. Horn (Relay)
17. Ignition Coil
18. Instrument Panel Lighting & Gauges *
19. Park Lights
20. Power Antenna
21. Power Door Locks
22. Power Windows
23. Radio/Clock (Constant and Switched)*
24. Starting
25. Taillights
26. Third Brake Light
27. Turn Signals
28. Wipers & Washer Pump
*Including Wires For: Brake Warning Light
Four Wheel Drive Light
Fuel Gauge
Oil Gauge
Speakers
Tachometer
Temperature Gauge
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