This main battery harness supplies switched 12V power, battery positive and negative, a fuel pump relay, coil input, and magnetic distributor input wiring for Sniper TBI systems. Six feet of 3/8" black braided split wire loom is included to protect the wiring and keep the installation clean.
Specifications:
- Harness Application: TBI
- Includes: Battery Positive/Negative Wires, Switched 12V Ignition Wire, 40A 5-Pole Relay with Mounting Tab, Crank Signal Wire, Fuel Pump 12V+ Wire, Coil Input Wire
- Wire Loom: 6 ft, 3/8" Black Braided Split Loom
- Product Type: Sniper EFI Main Harness
- Part Number: 558-490
FAQ
What does the 558-490 main harness power?
It supplies switched 12V power, battery positive/negative, the fuel pump relay, coil input, and magnetic distributor input for Sniper TBI systems.
Does it include a relay?
Yes, a 40A 5-pole relay with a mounting tab is included.
Is wire loom included?
Yes, six feet of 3/8" black braided split wire loom is included to protect and clean up the installation.

