NOW WITH AN EXTRA POWER TAP CONNECTION! THIS WILL NOT BLOCK OFF YOUR POWER TAP LIKE COMPETITOR HARNESSES WILL!
Both the Flex Fuel and Alternator connections are 6 ft long from the power tap connection. These harnesses are computer tested so you can be confident all resistors and wiring are built EXACTLY as they should be! This harness has all of the required resistors specified by Holley for proper Flex Fuel signal AND Alternator function.
This is a plug-and-play Flex Fuel and Alternator Holley Power Tap harness. The 4 Cavity alternator will function as it did in the factory vehicle. The 2 Pin alternator will function normally but requires that the alternator be wired to one of the ECU PWM outputs.
BP Automotive only uses OEM connectors designed for the application. The 2 Pin alternator connector is an OEM Bosch connector and not a cut-down Delphi connector. Beware of companies that modify connectors instead of using the correct connector for the application!
The Flex Fuel harness will connect to a GM Flex Fuel Sensor. and the loose signal wire will be wired into an input on the input/output harness. We have the sensor available in the link below.
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