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MikeDanger
Joined: 21 Nov 2002
Posts: 774
Location: Denver
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 Posted: Sun May 23, 2021 8:12 am Post subject: What is killing my Tachs? |
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WTF is going on here?
So I had 2 tachs go bad....Ok I guess thats possible, I had a buddy give me 2 more tachs, they both worked as i tested both in the garage.
So I go for a drive seems to work.....Then DEAD. I think it died right after WOT run.
any ideas what is killing them? and are they fixable?
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11733
Location: PacNW
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| Posted: Sun May 23, 2021 10:12 am Post subject: |
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A short in your wiring sending 12v to the wrong place?
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- WeiBe (1987 924S 2.5t) - 931 S3
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MikeDanger
Joined: 21 Nov 2002
Posts: 774
Location: Denver
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| Posted: Sun May 23, 2021 10:14 am Post subject: |
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| Rasta Monsta wrote: | | A short in your wiring sending 12v to the wrong place? |
could you elaborate?
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MikeDanger
Joined: 21 Nov 2002
Posts: 774
Location: Denver
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| Posted: Fri May 28, 2021 3:05 pm Post subject: |
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SO: the problem was the Signal and +12v wires were swapped.
FYI
GREEN= Signal wire
BLACK= +12v wire
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11733
Location: PacNW
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| Posted: Fri May 28, 2021 10:37 pm Post subject: |
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| MikeDanger wrote: | | could you elaborate? |
Yes, see post by MikeDanger, above.
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- WeiBe (1987 924S 2.5t) - 931 S3
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