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Oil Pressure Light Not Working.


Best Answer Eds.mini.lulu , 08 July 2019 - 10:07 AM

Solved. Hooked up a test wire bulb illuminated. New switch ordered. Thanks for the help. Go to the full post


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#1 Eds.mini.lulu

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Posted 06 July 2019 - 05:43 PM

Ok so I have the later 3 clock dash. The oil pressure light is not lighting up at all.

I have checked voltage across the bulb 0v
I have checked checked voltage at the terminal where it plugs into the dash 0v.
I have checked the voltage at the switch=12v.
I am probably going to try and run a new wire from the switch to the dash. However is there anything else I should be checking? I have checked the wiring diagram, and I am not aware of any fuses related to this circuit.

Any help would be appreciated.

Thanks.
Ed

#2 phillrulz

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Posted 06 July 2019 - 08:04 PM

Right, im looking at the Rover wireing diagram , does your oil pressure switch have 1 terminal / wire? 

 

Shows Live fed from LF7 10A, goes through the the bulb then through the switch to ground. 

 

If you have 12V at the switch ( White and brown wire ) then bulb is good, issues is a bad switch. 


Edited by phillrulz, 06 July 2019 - 08:05 PM.


#3 unburntfuelinthemorning

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Posted 06 July 2019 - 08:45 PM

Sounds like a bad switch to me.  With the engine off and the ignition on disconnect the wire from the oil pressure switch and earth it - the light should illuminate - if it does, bad switch.



#4 Eds.mini.lulu

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Posted 08 July 2019 - 10:07 AM   Best Answer

Solved. Hooked up a test wire bulb illuminated. New switch ordered. Thanks for the help.




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