This 21-Circuit Universal Muscle Car Harness can be used in just about any vehicle where basic wiring is needed. Many 1960s and 1970s GM, Ford and Chrysler vehicles utilize a square bulkhead connector to penetrate the firewall. This harness provides you a fuse block with this feature and the benefits of spade type fuses. Some firewall modification may be required depending on your application.

• Number of Circuits: 21
• Harness Length: Universal
• Fuse Type: Blade & Maxi Fuse
• Firewall Passthrough: Bulkhead Connector
• Color Code Based: Universal
• Circuit Designations: Printed on Wires
  
  This harness includes circuits for:
  
  
• Headlight Switch- Power to headlight switch. Power wires out of headlight switch to head light dimmer switch, tail lights, dash lights and park lights.
• Dimmer Switch wires include power from headlight switch and power out to low and high beam headlights.
• Wiper Switch- Power to wiper switch. You will need to retain the wires between the wiper switch and your wiper motor.
• Turn Signal Switch- Power into and out of your column mounted turn signal switch. Also included in this kit are both styles of GM turn switch connectors. Note: these will connect to most aftermarket and factory steering columns.
• Ignition Switch- Power into and out of to fuse block (ignition, crank and accessory)
• Brake Switch- Power into and out of brake switch. This includes a third brake light wire.
• Courtesy Lights- Power and ground circuits for dome light activation.
• Alternator- Charge wire and alternator field activation wires. (Most alternators can easily be wired up to this Painless harness). Included in kit is a high output alternator wire that allows you to use up to a 140 Amp alternator.
• Horn- 40 Amp horn relay mounted to fuseblock
• Radio- Harness includes constant B+ (for preset memory) and ignition hot circuits for any aftermarket or factory radio.
• Starter- Crank signal wire for starter solenoid.
• Engine section wires including electric choke, coil power, coil to tach signal, oil pressure, engine temperature, and A/C compressor clutch control wire.
• Headlight section wires including right and left high and low beam headlights, turn signals and park lights.
• Tail section wires including tail lights, brake lights, turn signal lights, fuel gauge sender, third brake light, and reverse lights.
• Dash panel section wires including fuel, temperature, oil pressure, voltage, tachometer, speedometer, high beam and turn indicators and gauge illumination.
• Also included in kit is a fuseblock mounting bracket, rubber grommet, 4-inch zip ties, 70 Amp maxi fuse and a large assortment of crimp style connectors.