Black/purple Tach Wire..question, using an MSD.. (w/six engine) |
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Black/purple Tach Wire..question, using an MSD.. (w/six engine) |
DougC |
Nov 28 2005, 04:55 PM
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#1
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Senior Member Group: Members Posts: 949 Joined: 6-July 04 From: Dallas, TX Member No.: 2,307 |
The Black/Purple wire usually (4 cyl stock) goes to the "-" side of the coil, right? So I have my MSD unit hooked up and the car (6 cyl, MSD) idles and runs fine but the tachometer isn't working.. actually the blk/pur wire isn't hooked up right now either. So, I have a tach adapter and I'm assuming that the "-" wire from it will go to the neg side of the coil with the blk/pur wire from the harness. Does that sound logical? I've researched this quite a bit today so any insite would be appreciated.
Doug C |
Porsche Rescue |
Nov 29 2005, 02:19 PM
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#2
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Saving and Enjoying Old Porsches Group: Members Posts: 2,978 Joined: 31-December 02 From: Bend, Oregon Member No.: 64 Region Association: None |
Won't hurt anything to try the 911 tach. Connect the black/purple to the msd tach output and the other end to the tach input. Make sure other wires required are connected to the tach as well.
If it won't work, call MSD about an adapter. |
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