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post #1 of 11 (permalink) Old 02-10-2020, 12:58 PM Thread Starter
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No warning lights

Hi everyone

Cleaned the flametrap at the weekend and checked a couple of spark plugs all ok. Reconnected the battery brake 1 and brake 2 warning lights did not light up also low fuel light not working allwere fine beforehand, only parking brake aluminates checked fuses all ok. Any ideas thanks in advance 1980 SS2
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post #2 of 11 (permalink) Old 02-10-2020, 04:31 PM
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To test that all the warning light bulbs are working turn on the ignition, put the gear shift in "D" and attempt to start the car, it should not start because of the gearbox inhibitor switch but all the warning lights should illuminate. That would be the first diagnostic step.
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post #3 of 11 (permalink) Old 02-10-2020, 08:31 PM
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That last bit of advice, if tried, should be performed outside, with nothing around. If you tried this in the garage and the inhibitor-switch failed...could be disastrous.

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post #4 of 11 (permalink) Old 02-11-2020, 08:22 AM
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From the owners manual, "To check that the warning panel bulbs are operating satisfactorily, ensure that the panels illuminate just prior to the engine starting, but are extinguished immediately the engine starts"

But as Shadow 11 says another check is to put the car in D or R WITH FOOT ON THE BRAKE and try to start the car, all the warning lamps should illuminate. This gives you enough time to figure out what ones are not working.
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post #5 of 11 (permalink) Old 02-11-2020, 12:14 PM Thread Starter
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Hi guys

So just tried shadow11 suggestion and gear shift in D did not start but all the panel warning lights illuminated. So definitely not bulbs. Any other ideas greatly appreciated cheers
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post #6 of 11 (permalink) Old 02-11-2020, 12:57 PM
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So assuming that your car is just about of fuel, low fuel warning light should be on?

Also, sure that the brake accumulators are fully exhausted so brake warning lights should be on?
Do the brake pedal test to be sure.

Jake.
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post #7 of 11 (permalink) Old 02-11-2020, 01:52 PM Thread Starter
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Just dropped the car off to have the exhaust repaired so I'll try the brake test at the weekend cheers
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post #8 of 11 (permalink) Old 02-11-2020, 05:28 PM
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Double check fuse No.1, it supplies gauges and warning lights.
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post #9 of 11 (permalink) Old 02-11-2020, 06:05 PM
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Sounds like you inadvertently knocked the wiring connectors to the warning lamps off the bottom of the brake reservoir. Pretty easy to do when you're changing B 3 & 4 plugs.

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post #10 of 11 (permalink) Old 02-12-2020, 11:32 PM
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Duh, I was thinking low level warning lamps. The pressure warning senders should be on the left front inner fender just behind the headlamp assembly. The connectors are white rubber push on, located on the top of the sender facing you. Check that they are tight. If you pull the connector off and ground it with a jumper wire the warning lamp for the appropriate system should illuminate. If it does, the sender is faulty. If it doesn't, there is a wiring fault.

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