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Author Topic: dash instruments not working  (Read 1742 times)

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chuftsmv6

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dash instruments not working
« on: 31 January 2015, 18:15:24 »
Hi there I have a 98 omega mv6 3.0
I'm having problems with my dash instruments my engine temperature stopped working a few days ago and now my rev count. Speedo and fuel light isn't working and my handbrake light is stuck on aswell.
 my alternator is running at around 14.9v on fast idle and around 13v on normal idle but when I turn my heaters.lights and rear demister on the battery reads around 11v on fast idle wondering if the two are linked I havnt checked the fuse yet but I wanted to see if anyone could help me with this thanks
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dbug

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Re: dash instruments not working
« Reply #1 on: 31 January 2015, 22:17:22 »
Sounds like two seperate issues.

For dash - try reseating dash assembly.

Alternator sounds like its overcharging @ 14.9V - won't do battery any good ;)  The 11V reading sounds like its undercharging, I'd be looking for another alternator ;)
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chuftsmv6

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Re: dash instruments not working
« Reply #2 on: 01 February 2015, 00:47:34 »
Hi there thanks for the reply Il have look tomorrow and see if it comes back on when I reseat it thanks again :y
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TheBoy

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Re: dash instruments not working
« Reply #3 on: 01 February 2015, 10:37:15 »
Overvoltage may cause the instrument ecu to have a paddy as well.
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chuftsmv6

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Re: dash instruments not working
« Reply #4 on: 01 February 2015, 15:22:34 »
Hi again thankyou very much for the help I reseated the dash and its all working perfectly now and ive taken the alternator off and wil be sending it for testing and reconditioning thanks again for the help  :y
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dbug

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Re: dash instruments not working
« Reply #5 on: 02 February 2015, 00:20:36 »
You're welcome - glad it was an easy fix :y
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