Mechanics

IGNITION LIGHTS

1992 Volvo 940 • 103,000 miles

I have a Volvo 940 1992, the problem is the ignition lights do not always come on. When I insert the key and turn it nothing but the seatbelt warning light comes on in the dash. The car starts OK and after driving it for maybe twenty minutes and test it, the lights usually come on. Also, sometimes the lights come on at startup, but after a while when I pull on the handbrake, nothing. This all started one year when the battery went flat, I removed the battery and charged it up, ten minutes after starting the car the handbrake light came on (the car was stationary) all worked ok until again last winter then battery died. In May this year the car started no bother, I drove to the petrol station, filled up then tried to start but no joy, the battery was totally flat. This happen yesterday on the motorway, it just stopped dead, again battery was dead. I found a few wires coming from the positive battery terminal with two fuses on them, I replaced these and the connectors as they were badly weathered, the ignition lights all came on again, but today the lights are off again.
When driving, if the ignition lights are not functioning, the wipers are slow and the electric windows are slow. I have switched on the headlights and rev'd the engine, the lights remain steady, someone told me that if they dipped and rose then it meant the battery was not charging. I totally baffled, any help would be good.
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Flightsimer
August 25, 2011.




O.K.


Docfixit
Aug 27, 2011.
Well the part arrived but it's the wrong part. I take it The ignition switch is the round part attached to the ignition key system. The part I received was rectangular and I've since found out that this is an ignition amplifier. Anyway I didn't know that and stripped the instrument cluster out thinking it would be up there somewhere but NO it wasn't. Well everything is back together again with no bits left over and all is working again, provided I bang the steering column first to get the lights working. Now trying to find an ignition switch but having no luck. I'll get back to you here if I progress this any further.
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Tiny
Flightsimer
Sep 4, 2011.
The part does it look like #419 see diagram


Docfixit
Sep 4, 2011.
Yea it looks like #419


Tiny
Flightsimer
Sep 4, 2011.
Yes it looks like part #419


Tiny
Flightsimer
Sep 5, 2011.
So what is part #419?


Tiny
Flightsimer
Sep 6, 2011.
Power stage for Dist


Docfixit
Sep 6, 2011.
Got a new ignition switch from Volvo, fitted it no probs but the fault was still there, wee tap on the steering column and the lights came on again. However two weeks later, today, the lights will not come on even with banging the steering column, they flickered once but remain off. Any more ideas guys, this is really annoying me but thanks for all your help and advice.


Tiny
Flightsimer
Sep 28, 2011.
Make sure electrical connections at IGN switch are tight especially blue/red if good need to pull instrument panel OHM check blue/red wire from SW to charge indicater light if good check red wire to ALT


Docfixit
Sep 29, 2011.

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