This harness gives access to two ground trigger inputs, two ground trigger outputs, a points output, a tachometer output, and a digital gauge output. The input grounds can be used for A/C kick or nitrous stage activation, while the output grounds can control an electronic fan or shut down A/C at wide-open throttle. An additional 0-5V TPS output is included for transmission control units, along with a tach output wire that drives most common aftermarket tachometers.
Specifications:
- Length: 60 in
- Output Wires: 5 ft
- Additional Output: 0-5V TPS
- Part Number: 558-497
Wires come individually labeled for easy identification during installation.
FAQ
What can the ground trigger inputs be used for?
The two ground trigger inputs can be used for functions like A/C kick or nitrous stage activation.
What can the ground trigger outputs control?
The two ground trigger outputs can control an electronic fan or shut down A/C at wide-open throttle.
Does this harness include a tachometer output?
Yes, it includes a tachometer output wire compatible with most common aftermarket tachometers.

