Holley Plug And Play Turbo Buick Harness

chris

Member
Steve
What are the pink and white wires for?
My harness doesn’t have the fan turn on wire (your last pic), where does that connect into the Holley system?
8E5B16D2-CC53-423A-885F-41AF80FC6462.jpeg
 

sackracing

Well-Known Member
Staff member
That is an older harness

Pink to switched 12v

White is tach feed

Fan has to be set up as on output, use the I/O plug in engine bay.
 
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