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Isuzu Trooper Owners Club UK™ Isuzu Trooper, Rodeo, Bighorn, Mu & VehiCROSS Owners Club
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trooper1993 Newbie
Joined: 08 Apr 2022 Posts: 2
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Posted: Fri Apr 08, 2022 9:58 Post subject: Speedometer and overdrive not working. |
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I have a 1993 Trooper 3.1 Auto lwb. The speedometer has stopped working and the overdrive also does not engage anymore.
I checked that the vss drive unit is still rotating when the the gearbox rotates, it all checked out o.k.
I checked the speed sensor and also installed a new one just to be safe . I also checked the wiring to the speed sensor and the speedometer and it also checks out o.k.
I suspect the speedometer head unit itself is faulty, I have looked for a replacement but can't find one anywhere. There are newer speedometers with the lcd odomter, but I don't know if these would work? It has the earlier type with rotating number odometer.
The speedometer has had a new face at some stage to convert it to mph.
Can anyone help with more info on sourcing a replacement speedometer or getting it repaired?
The main problem is the lack of overdrive , if I could get this to work without the speedometer it would also be a big improvement.
Any help would be most appreciated |
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Posted: Fri Apr 08, 2022 9:58 Post subject: Google Ads keep this community free to join! |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Sat Apr 09, 2022 21:12 Post subject: |
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they burn a track out on the pcb on the back of the head, if your handy with a soldering iron sometimes you can solder a wire in it's place |
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trooper1993 Newbie
Joined: 08 Apr 2022 Posts: 2
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Posted: Sun Apr 10, 2022 5:17 Post subject: |
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Thanks for the info, I'll take the speedo out and have a good look. |
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