whoa whoa whoa .. what's all this?
A number of weeks ago I asked a very similiar question . . . all be it from a
different direction.
I too have a Crane electronic ignition for a postive ground on my TR4 and want
to put an alternator on it.
I asked if alternators could be made to run with positive ground.
I did get answers . . . and I'm thankful for them.
However at the time no one piped up and said "switch your electronic ignition
to negative ground."
I'm going to go check the instructions for the electronic ignition if I can
find them.
Granted it was over a decade ago when I put the electronic ignition on the car
. . .but I specifically remember having to order a different part number for
the positive ground version . . .and also seem to remember warning stickers on
the device itself stating that it was only for positive ground.
Needless to say . . . I'm very interested in the outcome of this thread.
Earl . .if you convert yours to negative ground sucessfully . .please do let us
(me) know.
Scott Tilton
1963 Triumph TR-4 "Mule"
Leesburg, VA
Date: Sun, 1 Sep 2002 11:29:31 -0400
From: Dave Massey <105671.471@compuserve.com>
Subject: Electronic Ignition and Positive ground?
Message text written by INTERNET:Egbman1@aol.com
>Once again I must come to the fountain of TR knowledge,
My generator just died on my TR4 (bearings) and I've been contemplating an
alternator conversion. PO had installed a Crane XR700 electronic ignition
kit, set up for the stock positive ground. Does anyone know if it can be
switched to negative ground or do I need a whole new negative ground unit
from Crane?
<
Earl, the Crane unit is the same for either polarity, you just need to
reconnect the wires. Your current connections are probably like this:
Red Coil (+) Chassis (ground)
Yellow Coil (-)
Black White Switched 12 volt power
When you change the polarity reconnect it this way:
Red Coil (+) Switched 12 volt power
Yellow Coil (-)
Black White Chassis (ground)
Cheers
Dave Massey
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