This main harness includes switched 12V, battery+/battery- leads, a coil input wire, and a HyperSpark distributor connector, wrapped in braided split loom to protect wiring in the engine bay. It's designed for Sniper 2 applications using a Holley Power Distribution Module (PDM) and does not include a fuel pump relay.
Specifications:
- Harness Application: TBI
- 1x 5' 12g Battery+
- 1x 5' 12g Battery-
- 1x 3' 20g Coil Input Wire
- 1x 5' 20g Switched 12V Ignition Wire
- 1x 20' 20g Fuel Pump Trigger Wire
- Part Number: 558-190
The Sniper 2 PDM (Holley 554-200) is not included. For a Sniper 2 main harness without PDM connections, see Holley 558-191.
FAQ
Does this harness include the Power Distribution Module?
No, the Sniper 2 PDM (Holley 554-200) is sold separately.
Does this harness include a fuel pump relay?
No. For a Sniper 2 main harness that includes a fuel pump relay, see Holley 558-191.
What connections does this harness provide?
It provides switched 12V, battery+, battery-, a coil input wire, and a HyperSpark distributor connector, all in braided split loom.

