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WERK I WERK I is offline
Forced Induction Junkie
 
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Join Date: Jan 2003
Location: Wisconsin
Posts: 3,298
Garage
The big one with the red or orange rubber boot on it is the sender for the factory boost gauge. The other one is a single spade connector that is off the pressure switch....this wire is nothing more than a ground lead that completes a circuit that allows the fuel pumps to run. Runs off the over-boost/fuel pump relay located behind the plastic panel in the left-side engine bay.

Make sure you have a good ground connection between the IC and the engine. I ran a copper ground strap from the IC mount to an area near the rear engine tin or shroud to insure consistent grounding.
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Dave
'85 930 Factory Special Wishes Flachbau
Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P
Old 01-13-2009, 07:56 AM
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