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06-02-2009, 08:16 PM | #1 | |
Geo Metro Lover
Join Date: May 2005
Location: Eastern Washington State, Washington
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'95 Pathfinder Tachometer problems
I went to Spaulding Wrecking in Spokane today.
Asked the clerk about the Speedometer dash unit and he said Pathfinders always had a problem with the Tachometers. He told me that the usual problem is normally in the Fusible Links on the Positive (+) battery post connector - bad connections. So I looked at mine out in their parking lot. I took the links out of the Battery side of the cable connector and re-inserted them. The Tach then worked on the way home - EXCEPT - when I took the transmission out of overdrive (button out), the Tach went crazy - needle flipped back and forth like crazy ! Then returned to working fine - with the overdrive button in. I will scrape the contacts and coat them with Zinc Oxide Ointment. That is an electronics repair trick I learned from my DAD who worked at an electronics plant as the Head of R&D (Hallicrafter's Radio) in the 1950's and 60's. I have no idea what is going on with the Overdrive selector button.... I suspect that the Tachometer itself is fine - just screwy connections somewhere in the wiring - which must be very complicated. I cannot find the Tach in the wiring diagrams in the Chilton Manual ! Has anyone had this problem with their Tachometer going bonzo ? Was it fixable ? DoctorBill
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