Vehicle & Technical > Discovery
New battery, alt, belts, still no charge.HELP!
Spooky:
I'll agree with the charge lamp diagnosis - this is the most likely cause of the problems ... it may well all boil down to a 50 pence bulb! :roll:
petergalileo:
I have a similar problem on mine, my ignition light sometimes glows dimly with the engine running you can only see it in the dark or if you shade the dash with your hand. The tachometer also stops working.
I found wiggling the wires at the back of the alternator corrects the problem.
I think you have a similar probem with a loose wire somewhere it will be on the thick brown wire from the alternator or the engines earth (as in an earlyer post check the earth straps). I think the Tachometer on the disco detects alternator pulses rather than sparks so both faults point to loose wires. In addition, Alternators dont like being disconnected from their battery when the engine is running and can cause them to burn out.
I would check the thick red wire with a continuity tester while wiggling it. I would run a thick wire from the alternator bracket to a convenient earth point, this will remove any possibility of the engine earth causing the problem.
Peter
Wanderer:
Aren't some belts directional?
Sounds daft but somewhere in the old grey cells I can remember someone having to turn the belt around.
jira:
Are the belts directional? Possibly, certain tires are, we'll check that. Interesting the Factory Shop Manual has the belt routing pattern for for a few of the engine offerings, but not mine. I suppose I shouldn't assume, so I'll check that again.
I believe the low current warning lamp works, it just isn't working when you would expect it to. Seems ridiculous to think that it wouldn't work when there isn't enough current to power it, that's exactly when it should work. Otherwise, what is the point?
The concensus from everyone seems that it is that it is an earth problem, or as we Yanks call it "ground". We do not disagree and will pursue that issue thoroughly, just hoping we can solve it without replacing the wiring harness. More $$$ than I wish to contemplate.
Since the new alternator is not a Rover OEM product, but rather a Bosch, I am wondering if there is some small but significant difference that we have missed between the two. Any experience with aftermarket alternators out there, good bad or otherwise?
Handbrake cable, huh? How in the....... ? Okay, we'll check it out.
Keep the suggestions coming. Snow has arrived, spouse misses the seat heaters, and we need this one back on the road.
muddyweb:
--- Quote from: "Spooky" ---I'll agree with the charge lamp diagnosis - this is the most likely cause of the problems ... it may well all boil down to a 50 pence bulb! :roll:
--- End quote ---
That's easy to spot.. does it come on when you turn the ignition on ? If so, then it is OK... if not, then it is duff ;-)
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