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Author Topic: another tach question  (Read 1959 times)

June 05, 2009, 03:25:33 pm

shegel

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another tach question
« on: June 05, 2009, 03:25:33 pm »
when i turn the headlights on in my newly aquired 86 jetta turbodiesel the tach signal dies. this also happens when i hit the high beam switch when the headlights are not on. it goes from 1000 to zero like its grounding or somthing. ... I am pretty mechanicly inclined to begin with and can troubleshoot most things but am unsure what to start with on this problem. i would pully meter out but i have to go to work soon :( 

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thanks,
steve
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1986 Golf 1.6l non turbo (R.I.P.)
1999.5 jetta (bought with 122145)
1969 karmann ghia(diesel swap dream)(most likely going to be subaru powered)
1998 jetta tdi (parents car)
Reply #1June 05, 2009, 03:30:17 pm

JerryGTD

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Re: another tach question
« Reply #1 on: June 05, 2009, 03:30:17 pm »
Sounds like a loose alternator belt to me.
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1991 Jetta GL ECOdiesel
Reply #2June 05, 2009, 09:57:06 pm

shegel

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Re: another tach question
« Reply #2 on: June 05, 2009, 09:57:06 pm »
belts tight.
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1986 Golf 1.6l non turbo (R.I.P.)
1999.5 jetta (bought with 122145)
1969 karmann ghia(diesel swap dream)(most likely going to be subaru powered)
1998 jetta tdi (parents car)
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