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Auto trans codes. Flashing O/D Light

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Auto trans codes. Flashing O/D Light

Postby Ralphie » Mon Jun 01, 2009 5:29 pm

I have had some sucess with this topic but need some help. For those of you that want to know where the auto trans unit is that is mentioned in the gearbox manual (page 6), In a 90 2.8 bighorn it is up under the dash, where you would find the clutch in a manual. There is also an orange plug which is the plug that you can get the diagnosic code from, this is also stated in gearbox manual, (page 14). My problem is, I have the fault code as, 'Defective no 1 speed sensor (in combination meter)' So is this the speedo or is it somthing else. Can anyone help and suggest what I can do to check it or fix it.
Ralphie
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Re: Auto trans codes. Flashing O/D Light

Postby Kenneth » Mon Jun 01, 2009 7:43 pm

If it is the same setup as my 94 Bighorn the speedometer is driven from the transfer box behind the gearbox. The speed sensing device comes from inside the auto box. (I am fairly sure)
Ken
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