Peter,
After reading your reply - I am guessing - you may be an engineer?
At 09:03 AM 5/26/99 -0500, Peter C. wrote:
>Nory and Steve, et. al.
> Again, without benefit of a wiring diagram or electrical degree, here is
>my understanding. In a properly operating system, when you first turn the
>key to ON (before starting) power is supplied to all those dash warning
>lights including the charge light. This is like a bulb check to assure you
>the lights do indeed work. The source of this voltage is from the battery
>through the ignition switch to the alternator diode(s) which complete the
>circuit. When the car is started and the alternator produces enough voltage
>it feeds backwards into the warning light circuit thus breaking the circuit
>that was complete before and shutting off the lights. If the lights are on
>without the switch being on at all, then voltage is "leaking" through the
>diodes at the alternator and feeding backwards.
> Maybe this wil help:
>key OFF
> batt-->alt->| bulb off X switch<--batt
>key ON only
> batt-->alt->|<<<-bulb on<--- switch on <--batt
>key RUN
> batt<-->alt--><---bulb OFF<---switch on <-- batt
>Key OFF with bad diode
> batt-->alt--->---> bulb ON---->X switch off <--batt
>
> Hope this makes sense, kinda does to me.
>Peter C
>At 11:30 PM 5/25/99 , Swift Justice wrote:
>>
>>
>>Nory P wrote:
>>
>>> I can understand the rectifier being his problem with
>>> the ignition light, but would that also cause his
>>> brake and oil pressure lights to stay on as well?
>>>
>>> I thought, maybe, during the unplugging and plugging
>>> they did during their diagnosis of the original
>>> problem, that they may have simply reconnected that
>>> stuff to the wrong terminal (hot when ign. off) on the
>>> ignition switch. Possible?
>>
>>No. The connector under the dash that we did unplug was a one way type
>>connector - only can be plugged in
>>one way.Unplugging the alternator lead with the car off causes the ignition
>>light to go off. The oil
>>pressure light and brake warning light are on the same circuit.
>>
>>Steve.
>>--
>>__
>
>
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