1991 cougar XR7 speedometer off odometer not working
The speedometer on my 1991 cougar XR7, 5.0, is not reading the real speed. It is either reading to low or too high. The odometer is not working at all.It is an electronically controlled speedo mounted next to a tach which is working.
Re: 1991 cougar XR7 speedometer off odometer not working
Headlight switch. Very common on these cars. The knobb that you pull to the left of the steering wheel is the switch that needs replacing. Make sure that the harness on the back isn't melting. This happens on car with factory fog lights or cars that had aftermarket fogs installed without a relay. Hope this helps.
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If your 95 XR7 odometer stopped working the most common problem is the plastic gears. They get so hot the surface shows bubbles that weaken the gears and eventually cause the gear or gears to break and the odometer stops working. The odometer part of the speedodometer has a small electric motor which drives a 16 tooth cam gear also called carrier gear (POD) which then drives a 20 tooth internediate gear which drives the odometer and trip odometer. These 2 gears need to be replaced. I also have a 95 XR7 and had the same problem and I got the replacement gears and did it myself. If you go to www.odometergears.com they have picture instructions and you can also order your replacement gears.
Remove fasteners holding steering wheel column as outlined in Section 11-04 . Gently lower steering column.
Remove fasteners holding the instrument panel finish panel (044D70) and gently pry off.
Remove four instrument cluster retaining screws. (Do not remove screws from the instrument cluster main lens (10887) and instrument cluster mask (10890) ).
Slide the instrument cluster (10849) to the right of the instrument panel opening and unhook the instrument panel harness from the back of the instrument cluster .
Remove the instrument cluster from the instrument panel (04320) .
Federal law requires that the odometer in any replacement speedometer (17255) must register the same mileage as that registered in the removed speedometer . Since the speedometer mileage cannot be reset on this unit, affix odometer sticker to driver's door pillar and record original vehicle mileage. Removal
Disconnect battery ground cable (14301) .
Remove the instrument cluster (10849) as outlined.
Remove seven screws retaining the instrument cluster mask (10890) and instrument cluster main lens (10887) .
Remove speedometer assembly.
Position the speedometer assembly to the instrument cluster back plate (10848) and install.
Position the instrument cluster mask and instrument cluster main lens to the instrument cluster back plate and install the seven retaining screws.
Install the instrument cluster as outlined.
Connect battery ground cable and check the operation of the speedometer .