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Author Topic: Speedo, gauges not working and warning lights on  (Read 2146 times)

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judge_dredd65

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Speedo, gauges not working and warning lights on
« on: 07 November 2016, 12:58:57 »
Hi Guys,

My MV6 is playing up, when I press the accelerator the speedo , rev counter and fuel gauge all stop working, the abs and traction control lights come on, occasionally the airbag warning light too. when i release the accelerator the lights go out and the gauges start working again. Any ideas where to start please
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Doctor Gollum

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Re: Speedo, gauges not working and warning lights on
« Reply #1 on: 07 November 2016, 14:32:30 »
Wiring chaffing somewhere... Probably in the loom behind the dash fuse box...

I would probably start by checking the power sounder loom and go from there...

Wouldn't drive it though :-\
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judge_dredd65

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Re: Speedo, gauges not working and warning lights on
« Reply #2 on: 07 November 2016, 15:58:29 »
More inclined to think it is abs ecu problems
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Doctor Gollum

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Re: Speedo, gauges not working and warning lights on
« Reply #3 on: 09 November 2016, 04:20:20 »
Quote from: judge_dredd65 on 07 November 2016, 15:58:29
More inclined to think it is abs ecu problems
Nope, something in the loom is gounding... power sounder wiring is in same area and isn't fused... you need to physically check the wiring behind the dash fusebox before the car turns to ash...
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biggriffin

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Re: Speedo, gauges not working and warning lights on
« Reply #4 on: 09 November 2016, 06:47:24 »
Remove the power sounder, then do as dr gollom has said.
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judge_dredd65

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Re: Speedo, gauges not working and warning lights on
« Reply #5 on: 11 November 2016, 16:10:34 »
Thanks guys, removed power sounder (Did not go off), do not know if it should or not. started car did same so will delve deeper tomorrow. Is the dash fuse box the best place to start?
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Doctor Gollum

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Re: Speedo, gauges not working and warning lights on
« Reply #6 on: 11 November 2016, 18:51:11 »
Behind it, yes :y
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judge_dredd65

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Re: Speedo, gauges not working and warning lights on
« Reply #7 on: 19 November 2016, 12:54:02 »
cant see anything obvious, do i need to remove the dash ? battery drained overnight, is it possibly something else, please help I am at the end of my tether with this car
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judge_dredd65

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Re: Speedo, gauges not working and warning lights on
« Reply #8 on: 19 November 2016, 14:14:39 »
Just had multimeter on the battery and the voltage is going down by 0.01 volts every 5 secs or so
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TheBoy

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Re: Speedo, gauges not working and warning lights on
« Reply #9 on: 20 November 2016, 20:33:28 »
What is the battery voltage at 2000rpm?
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