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Re: [TR] Wiper motor repairs

To: "Geo & Kathleen Hahn" <ahwahnee@cybertrails.com>,
Subject: Re: [TR] Wiper motor repairs
From: "Peter Ryner" <pryner@verizon.net>
Date: Sun, 18 May 2008 16:56:49 -0400
You are correct.  TRs used two different motors.  One was grounded looking
for a hot to operate and the other was hot looking for a ground to operate.
I only know this from experience.  I had picked up a TR in Illinois and was
driving it back to North Dakota.  Shortly before dusk it started to rain a
bit so I turned on the wipers.  Everything worked okay until I also turned
the lights on a few minutes later.  The wipers stopped in mid swipe.  I
turned the lights out and the wipers started again.  I turned the lights
back on for a few minutes and soon had smoke pouring out from the hood.
Seems the DPO hooked a wire from the light switch to the wiper motor switch
and on to the motor which make the ground fine, until the lights were also
on which made the .  Two hots or two grounds going to the same motor and it
wouldn't work.
Pete

-----Original Message-----
From: triumphs-bounces+pryner=verizon.net@autox.team.net
[mailto:triumphs-bounces+pryner=verizon.net@autox.team.net]On Behalf Of
Geo & Kathleen Hahn
Sent: Sunday, May 18, 2008 1:50 PM
To: PACBURROWS@aol.com; Triumphs@autox.team.net
Subject: Re: [TR] Wiper motor repairs


Are you sure you have it wired correctly?  As I recall the whole scheme
changed dramatically somewhere in the TR3 production.   Many wiring diagrams
show one version of the wiring that may ro may not be correct for your car.

Without pouring over diagrams, I recall that on my 59 TR3A the hot is always
on (with the ignition) and the switch controls the ground.

Geo H

----- Original Message -----
From: <PACBURROWS@aol.com>
To: <Triumphs@autox.team.net>
Sent: Sunday, May 18, 2008 8:32 AM
Subject: [TR] Wiper motor repairs


> Good Morning
> I am looking for someone who can trouble shoot and repair my wiper motor.
> It
> was working when I bench tested it during my restoration. But when I put
> it
> on the car, NADDA! I had a very good ground and even tried using the
> battery
> directly. NADDA! Any ideas? ---any constructive ideas LOL?
> Paul
> 57 TR-3 small mouth
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