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Q:will this replace the harness on my 2006 chevy silverado 2500 HD LT for my throttle body ?
A:This Holley Throttle Body Wiring Harness - part# 534-56 is not vehicle specific. It is a closed loop wiring harness for digital 2 bbl pro–jection. These Holley replacement fuel injector wiring harnesses are replacements for the 8-cylinder injector harnesses. They connect the main harness to the injectors, routing the wires over the rail and making replacement a snap. For any further assistance, please visit your nearest Advance Auto store or call us directly at 1-877-ADVANCE (238-2623) and one of our representative there would be more than happy to assist you.