GM Gen IV Tach DriverThe ECM used in GM Gen IV applications does not have a tach output wire to provide a tach signal to a tachometer. This small device converts the 5 Volt 58X crank sensor signal...

GM Gen IV Tach DriverThe ECM used in GM Gen IV applications does not have a tach output wire to provide a tach signal to a tachometer. This small device converts the 5 Volt 58X crank sensor signal...

The C.S.I. harness is a universal weather-proof engine harness providing wiring to accommodate the Charging, Starting, and Ignition of just about any non fuel injected engine. The C.S.I. harness is...

Those who choose to run the factory computer will appreciate the simplicity of a Painless Fuel InjectionWiring Harness. Yes, you can whittle away at the stock harness and eventually make it work, but...

Those who choose to run the factory computer will appreciate the simplicity of a Painless Fuel InjectionWiring Harness. Yes, you can whittle away at the stock harness and eventually make it work, but...