Holley Plug and Play Swap Harness

Our harnesses allows you to get your swap out on the road faster! Install in as little as 20 minutes these plug into the Holley EFI power tap and 8 i/o connectors and depending on build will control fans, fuel pumps, alternator, AC compressor, boost control, flex fuel and more! We build these harnesses per vehicle to allow for a cleaner install please allow up to 2 weeks of build time unless otherwise stated.

Options:

Single or dual fans

Single or dual fuel pumps

Alternator trigger and control

AC compressor control (uses ac system compressor trigger wire to turn on fans and Idle up as well as shut off ac compressor at wide open throttle)

Boost Control Solenoid/s

Boost Control 11 position Knob

Flex fuel sensor

We can also build complete sensor harnesses which may include:

Coolant pressure

Back pressure

Trans temp and pressure

Shock position sensors

G meter

Etc