 Black/purple Tach Wire..question, using an MSD.. (w/six engine) |
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| DougC |
 Nov 28 2005, 04:55 PM
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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 |
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| TimT |
Nov 28 2005, 07:56 PM
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retired Group: Members Posts: 4,033 Joined: 18-February 03 From: Wantagh, NY Member No.: 313 |
oops misread the post
yes tach out from MSD goes to black/purple, this signal may have to be conditions by the tach adapter, depending on the year of the vehicle... |
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Posts in this topic
DougC Black/purple Tach Wire..question Nov 28 2005, 04:55 PM
TimT what year is the car?
some VDO tachs (early ones... Nov 28 2005, 05:22 PM Joe Ricard The black purple wire is the signal wire for the t... Nov 28 2005, 05:41 PM Porsche Rescue I too have an Autometer wired from the MSD tach ou... Nov 28 2005, 07:30 PM Aaron Cox i did the same thing......
here is what you ned t... Nov 28 2005, 10:19 PM DougC What picture aaron?
OK, I have the tach adapter..... Nov 29 2005, 09:50 AM Mike D. Doug, Don't take the tach adapter out of the p... Nov 29 2005, 01:57 PM DougC No Mike, it's a 2.7L six with CSI ... I am usi... Nov 29 2005, 02:14 PM Porsche Rescue Won't hurt anything to try the 911 tach. Conne... Nov 29 2005, 02:19 PM
Aaron Cox Nov 29 2005, 04:53 PM |
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