Author Topic: Problem with new tach  (Read 1029 times)

Offline Racer57

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Problem with new tach
« on: August 19, 2016 - 11:32:53 PM »
Last year my tach died so during this past winter I replaced it with an OER from Classic Industries. For the first hundred miles or so it worked perfect. Now it does not move until I've driven 5 miles or so, then it works great until the car has sat for a day or so and then the same old deal.  Kind of like it gets stuck from sitting for very long.  Is this another winter project, replacing the tach again ?  I'm starting to think that OER is related to JC Whitney after all the trouble I've had with various gauges of theirs.
« Last Edit: August 20, 2016 - 04:18:19 PM by Racer57 »




Offline dodj

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Re: Problem with new tach
« Reply #1 on: August 21, 2016 - 09:14:08 PM »
Remove and reconnect all the connections with your tach. Reinstall with dielectric grease, If no change, you need a new tach.

By remove and reconnect I mean to pull the connector off the tach and push back on. Maybe a couple times just to ensure a good clean connection. Don't know what ign system you have but remake/clean all of the connections. If you have an MSD with tach adapter, then it may be the adapter instead of the tach.
Scott
1973 Challenger  440 4 spd 
2007.5 3500 6.7 Cummins Diesel, Anarchy tuned.
Good friends don't let friends do stupid things. ........alone.

Offline Racer57

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Re: Problem with new tach
« Reply #2 on: August 21, 2016 - 10:51:09 PM »
Remove and reconnect all the connections with your tach. Reinstall with dielectric grease, If no change, you need a new tach.

By remove and reconnect I mean to pull the connector off the tach and push back on. Maybe a couple times just to ensure a good clean connection. Don't know what ign system you have but remake/clean all of the connections. If you have an MSD with tach adapter, then it may be the adapter instead of the tach.
Stock electronic ignition. I try out what you suggest. It will be a hellva better than pulling that damn dash for the umpteenth time.  :pullinghair:

Offline dodj

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Re: Problem with new tach
« Reply #3 on: August 22, 2016 - 12:56:16 PM »
Stock electronic ignition. I try out what you suggest. It will be a hellva better than pulling that damn dash for the umpteenth time.  :pullinghair:
Can you reach the connector on the back of the tach without pulling the dash? I don't remember it has been a while since I had dash issues.
Scott
1973 Challenger  440 4 spd 
2007.5 3500 6.7 Cummins Diesel, Anarchy tuned.
Good friends don't let friends do stupid things. ........alone.

Offline 70chall440

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Re: Problem with new tach
« Reply #4 on: August 22, 2016 - 01:05:05 PM »
You can, just have to be a bit of a contortionist; much easier w/o the seat in place. 
Current Mopar
70 Challenger RT 440-6 EFI, 73 Cuda 416-6 EFI
05 Hemi Durango, 01 Ram 4x4, 14 Ram 2500 4X4, 10 PCP Challenger 6 spd RT, 01 Viper GTS ACR, 52 B3B w/330 Desoto Hemi, 70 Hemi RR (under const)
Past Mopars
9 x Challengers. AAR Cuda, 4 RR, 2 GTX, 4 Chargers, etc... (too many to list)

Offline Racer57

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Re: Problem with new tach
« Reply #5 on: August 22, 2016 - 04:12:24 PM »
When I get around to it, the passenger seat will come out first. From that angle, I can get to almost everything since I don't have a console.