Holley Plug And Play Turbo Buick Harness

sackracing

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Staff member
Joined
Jun 28, 2001
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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
 
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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