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gavinc69 gavinc69 is offline
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Join Date: Jul 2008
Location: Bournemouth UK
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Wiring done........I think

I basically cut the FrankenCIS sensors off and soldered them to the same wires on the new harness. I also checked on the MS v3 wiring diagram as I did each one to see what it was for and labeled as.

I did not bother with the TPS as I won't be using it.
There appear to be 3 other FrankenCIS bits that I won't need to connect (see image).
One is the power to the old WUR power connection (wires into the back of the FraneknCIS injector, looks like its used to power the injector from the original WUR power)
Second is the FrankenCIS injector (wires into one of the Injector pins on the MS harness)
And third I'n not sure what it does but it wires to Ground, TPS & SpareInput1.

Does anyone know what its for and if I need it?

So basically the new harness mirrors the old one.
I have left all the so far none used cables on just in case I need them later.

Original FrankenCIS harness (what's left of it) :

New Harness :

1980 SC Flatnose, Euro 3.0, LW Flywheel, 993 Cams, Port & Polish Heads, RS Cut Valves, MSD 6AL, Blaster Coil, Magnacor Leads, Boxster Brakes, WEVO Mounts, TRG Roll Bars, Rollcage, RSR rear fenders, OE Short Sift, K27 7200 Turbo Conversion, OBX Headers, Tial Wastegate, EFI MicroSquirt v3

Last edited by gavinc69; 02-14-2016 at 06:39 AM..
Old 02-14-2016, 06:26 AM
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