Felix,
I'm not too sharp on all that electrical stuff. I will suggest that you
check the belt that drives the alternator. It is possible that belt slippage
is causing your problem.
Larry
1969 MGB
==================================================
In a message dated 96-11-24 21:42:04 EST, felixksw@leland.Stanford.EDU (Felix
Wong) writes:
> Subj: Ignition warning light won't go off!
> Date: 96-11-24 21:42:04 EST
> From: felixksw@leland.Stanford.EDU (Felix Wong)
> Sender: owner-mgs@autox.team.net
> Reply-to: felixksw@leland.Stanford.EDU (Felix Wong)
> To: mgs@autox.team.net
>
> Hey y'all, got a technical question for ya. A week ago, when
> it was raining pretty hard in California, my ignition warning
> light went on. After spending 10 minutes under the bonnet,
> playing with wires like I knew what I was doing, I could not
> find something obviously wrong. At that point I was drenched
> to the bone so I just got back into the B and kept on going.
> I figured that since the headlights hadn't dimmed even a bit,
> the alternator must have been working at least a little...
>
> Anyway, my B got me home nevertheless... in fact she has got
> me home everyday since then as if nothing is wrong. However,
> the ignition warning light has stayed on, although under non-idle
> conditions the light is only bright enough to see at night.
> It does get brighter during idle. To add to the mystery, the 6-amp
> fuse on my alarm kept on blowing during the week before the ignition
> light first stayed on permanently...
>
> Does anyone have a guess as to what is happening? Is there a way
> to test the alternator to see if it is working 100%? Can someone
> explain to me how the ignition idiot light works? I studied the
> electrical schematic, and it seems that the light is simply connected
> to the voltage regulator (which is integrated into this particular
> alternator) and the ignition. I suppose the light goes on when there
> is a voltage differential between the ignition and the voltage regulator?
>
> Again, the car/electrical accessories have been working as usual so
> I am perplexed!
> -Felix
> __________________________________________________________________
> __ Felix Wong Palo Alto, California
> |,\_O (415)528-9768 [pager]
> ( )/ LL http://www-leland.stanford.edu/~felixksw/
> ( ) '69 B, '92 C'dale 3.0 R (stiff, light, and FAST)
> Fw = mg "Safety fast!"
>
>
|