Well, stealing the ground seems to be the #1 vote so far...
With that consensus, how should I consider fixing it?
At 02:58 PM 11/13/99 -0800, Bud Krueger wrote:
>Excuse me for not being specific re: colors, etc., I don't have a wiring
diagram
>handy. However --- I do recall that the horn is actuated by grounding the
wire
>coming to the horn switch. This means that the wire has 12v on it when not
>actuated. I'd be willing to venture a guess that the radio is getting its
power
>from this wire. Sounding the horn makes the line go to ground, removes power
>from the radio, goodbye presets. At least that's my $.02 worth.
>
>BTW, at least in my 77B, there is a separate wire for powering the radio when
>the key is turned to the first position.
>
>Bud Krueger
>52TD
>77MGB
>
>Paul Hunt wrote:
>
>> Could be two seperate problems, especially if your radio is connected to
the
>> purple circuit (hot, fused) to maintain the station memory. The horns are
>> also connected to this circuit and draw quite a significant current, so if
>> the purple fuse is grotty sounding the horn could cause a significant
>> voltdrop on the circuit.
>>
>> PaulH.
>> http://freespace.virgin.net/paul.hunt1/
>> (or if that URL doesn't work try )
>> (http://194.168.54.52/paul.hunt1)
>>
>> -----Original Message-----
>> From: Tab Julius <tab@penworks.com>
>> To: mgs@autox.team.net <mgs@autox.team.net>
>> Date: 12 November 1999 17:02
>> Subject: Ghost in the Machine (part deux)
>>
>> >
>> >The other week I queried about how my radio mysteriously played on after
>> >the key was removed (and engine cut off, etc)., but the second I
touched my
>> >key to the ignition lock it disconnected (coincidence?).
>> >
>> >This morning, while having the radio tuned to FM 93.3 (playing a very
>> >British Pink Floyd, btw), I realized that a quick honk of the horn cleared
>> >power to the radio and I was suddenly listening to static on the default
>> >89.7. I reset the station, did a quick re-test, and darned if honking
the
>> >horn doesn't pull the permanent memory power to the radio.
>> >
>> >I have a new radio to put in (not because of this, but because the current
>> >one is a cheapo), but before I do I'd like to appease the Ghost of Lucas
>> >and find what's rigged up wrong. Any ideas?
>> >
>> >- Tab
>> >
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