The 6 volt wiring is more than adequate since 6 volt systems require twice the
amperage of 12 volt systems.
Steve wrote:
> Well, I'm working on it, too...on my 55 DeSoto, which is in that limbo
> between restorals and hot rods. The 6 volt charging system was shot,
> although I could run the car off the battery for a little while. I have
> only partial solutions so far. The biggest problem I'm encountering is the
> polarity reversal. Going 6 volt to 12 volt is pretty easy, but the
> positive ground to negative ground part has been more of a problem.
>
> My DeSoto needed new wiring anyway, but you might need to check whether
> your old wiring can handle the load (anyone know?). My DeSoto had NO
> fuses, and I've installed a new fuse box along with the new wires. The
> starter was posing a real problem: it will crank (enthusiastically!) at 12
> volts positive ground, but durability might be a problem, and I think its
> case grounded and I don't know how to overcome that. My solution was to
> swap in a modern Torqueflite in place of the Powerflite, using an adapter
> plate so I could keep the 291 hemi. This enables the use of the late model
> starter. (BTW, these adapter plates are available to hook 727/518
> Torqueflites up, as well as Chevy auto/manual trannies...I just wanted to
> stay Mopar...also had to replace driveshaft and rear end with late model).
>
> Still working on the wiper motor and the heater fan. Any suggestions out
> there? I'm even looking at aftermarket ac/heater systems to get to 12 volt
> negative. I think, but don't know yet, that I might be able to swap in a
> more recent wiper motor.
>
> Changed all the lights to 12 volt - just stick 'em in the sockets (except
> one socket which needed a replacement). Replaced the radio with
> AM/FM/CD/cassette, replaced the gauges with AutoMeter gauges. Replaced the
> horn (old one didn't work anyway) with one salvaged from the wreckage of my
> totaled pickup (I miss the pickup, but its voice lives on...)
>
> Currently working on dropping in the late model electronic distributor (let
> me know if you need the name of the supplier). I got one ready to go, but
> I've been told (I haven't seen this done) the distributor from any LA
> engine will work with the proper shim change.
>
> Steve
>
> From: PlymouthV8@xxxxxxx[SMTP:PlymouthV8@xxxxxxx]
> Sent: Friday, May 29, 1998 3:16 AM
> To: tehoema@xxxxxxxxxxxxxx; L-FORWARDLOOK@xxxxxxxxxxxxx
> Subject: [FWDLK] 6 to 12 VOLT Conversion....
>
> Anyone here ever converted a '55 MOPAR electrical system before??? I was
> considering the conversion, has anyone here done it, and if so did you run
> into any problems?????
>
> Thanks,
> Josh
> <A HREF="http://members.aol.com/acker75/plymouth.htm";>1955 Plymouth
> Page</A>
>
> ----------
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