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ignition warning light (Read 748 times)

JOHN K

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Posts: 5
Wild West Scotland
Gender: male

Drives: OMEGA CDX 2.5, 1948 Rover 75, Fiat Punto.

ignition warning light
26. Apr 2011 at 00:31

Ignition warning light glowing very dimly at all times when ignition switched on. Does not vary with engine speed. No amps being received at battery.
Have tried cleaning spring contacts on alternator regulator/brush pack as recommended on OOF without result.
Is this likely to be alternator fault or wiring fault? Any ideas please?
Car is 1998 2.5 cdx with Bosch 120 amp alternator.

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Shallow Al

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Posts: 107
Watford, Herts.
Gender: male

Drives: 2 litre GLS. LPG. 2001 yr and Mk 1. 1200 Suzuki Bandit.

Re: ignition warning light
Reply #1 - 26. Apr 2011 at 02:49

I had a similar fault and it turned out to be the crimped joint on the positive side of the battery, where the cable is crimped to the battery terminal. The terminal/cable may get hot to touch when the engine is running as a useful pointer.
Not the same car, but hope it helps. Seems a common weak spot.
Failing that, you will have to get a meter out and check the voltages, there is an excellent "How To" guide on here, in the maintenance or common problems section.

« Last Edit: 26. Apr 2011 at 02:54 by Shallow Al »

I used to know everything. Then I got married.

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Desperate Den Omega King Offline Posts: 11881	Re: ignition warning light Reply #2 - 26. Apr 2011 at 09:11 Kevin's excellent guide may be of use; http://www.omegaowners.com/forum/YaBB.pl?num=1225724099
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Raymienets Intermediate Member Offline Posts: 373 Glasgow Gender: Drives: 2.2 CD Auto	Re: ignition warning light Reply #3 - 26. Apr 2011 at 10:11 Could also be a diode fault in the alternator.
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Shallow Al Junior Member Offline Posts: 107 Watford, Herts. Gender: Drives: 2 litre GLS. LPG. 2001 yr and Mk 1. 1200 Suzuki Bandit.	Re: ignition warning light Reply #4 - 26. Apr 2011 at 10:53 Desperate Den wrote on 26. Apr 2011 at 09:11: Kevin's excellent guide may be of use; http://www.omegaowners.com/forum/YaBB.pl?num=1225724099 Thats the one.
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JOHN K Newbie Offline Posts: 5 Wild West Scotland Gender: Drives: OMEGA CDX 2.5, 1948 Rover 75, Fiat Punto.	Re: ignition warning light Reply #5 - 26. Apr 2011 at 21:18 Thanks for help everyone - have done all the checks suggested - all points to new alternator required, which I have ordered. Watch this space------
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RobG Omega Lord Offline I might have a link, pic or part number for that Posts: 7968 Bristol Gender: Drives: 53 plate 2.2 CD auto	Re: ignition warning light Reply #6 - 26. Apr 2011 at 21:27 JOHN K wrote on 26. Apr 2011 at 21:18: Thanks for help everyone - have done all the checks suggested - all points to new alternator required, which I have ordered. Watch this space------ £15 for a regulator would have done it
Back to top	TC Holder Maxscan GS500 OBDII code reader/EML resetter available.. IP Logged

JOHN K

Newbie

Offline

Posts: 5
Wild West Scotland
Gender: male

Drives: OMEGA CDX 2.5, 1948 Rover 75, Fiat Punto.

Re: ignition warning light
Reply #7 - 06. May 2011 at 19:39

All now up and running with new alternator, new rear subframe bushes, new handbrake cables etc etc.. At £39+ for a new auxilliary drive belt this was almost half the cost of the alternator. Be careful of the spec for V6 alternators offered on the internet - many are only 100amp.
New MOT this morning - the rusty silver arrow flies again.

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