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ign lite on when idling http://forum.triumphdolomite.co.uk/viewtopic.php?t=34166 |
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Author: | wellskint [ Mon Jul 09, 2018 9:52 am ] |
Post subject: | ign lite on when idling |
my 1500 thats not yet back on the road but hopefully will be soon, when idling the red ign lite stays on. what causes this please? |
Author: | yorkshire_spam [ Mon Jul 09, 2018 11:24 am ] |
Post subject: | Re: ign lite on when idling |
Quote:
my 1500 thats not yet back on the road but hopefully will be soon, when idling the red ign lite stays on. what causes this please?
Low tick over or a slack fan belt? Roughly what RPM do you have at idle?It could be the early signs of the rectifier diodes failing, but I'd start with the 0 cost options of idle speed and belt tightness. |
Author: | xvivalve [ Mon Jul 09, 2018 12:56 pm ] |
Post subject: | Re: ign lite on when idling |
^ what he said |
Author: | maitretjak [ Tue Jul 10, 2018 10:45 am ] |
Post subject: | Re: ign lite on when idling |
Or, like I once had on a sprint, a faulty connector to the alternator. |
Author: | Aleco [ Thu Jul 12, 2018 5:45 pm ] |
Post subject: | Re: ign lite on when idling |
Another vote for the connector to the alternator. Oddly enough I had the same symptoms with the addition of the light occasionally flickering at high revs. I replaced mine with new one from AES spares. |
Author: | Richard the old one [ Thu Jul 12, 2018 6:52 pm ] |
Post subject: | Re: ign lite on when idling |
Another vote for the alternator connector. I obtained one from Moss as they have a branch in Bristol. It was a stock item. |
Author: | Aleco [ Thu Jul 12, 2018 9:55 pm ] |
Post subject: | Re: ign lite on when idling |
Word of advice though, unless I made heavy weather of it, it's a simple if fiddly and awkward job to do. The cables going to the original connector were to short to cut and attach new female connectors to. I had to make short extension cables and solder them to the original ones. Not difficult but a pain in the backside when leaning over the wings and soldering in the bowels of engine bay. Oh and don't forget to disconnect/take out the battery! I clearly had a bad day and got totally focussed on the cables. I remembered about the battery as one of the cables sparked against the engine block |
Author: | Graham04 [ Fri Jul 13, 2018 10:34 am ] |
Post subject: | Re: ign lite on when idling |
Have you put a meter on the battery when the car is ticking over and at 2000 rpm. With a decent battery you should have around 12.8v on tick over and about 14v at 2000 rpm. Try this without and with a load (lights, fan, heated rear window and wipers on). It will give you an indication of the alternator output. The voltmeter in my car reads almost half a volt too high but is still a useful indication. |
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