I'm not sure polarity matters to the wiper motor. I switched to neg many years
and never touched the wipers . They have always worked. I think he has the
ground wire mixed.
Rich Kahn
> Date: Sat, 4 Feb 2012 22:48:56 +0000
> From: hypercubic@yahoo.co.uk
> To: healeys@autox.team.net
> Subject: [Healeys] Re - wiper motor short?
>
> "I've recently reinstalled a Lucas wiper motor that was out of the car for
a
> long time and bench tested OK when connecting the terminals directly to a
> battery. Now that the wiper motor is back in the car there is apparently
> something wrong inside the motor because now there is a direct short within
> the overall electrical system. ....................."
>
> Since the motor has
> been out of the car for a long time - is there a chance that the polarity
of
> the car has been changed in the meantime?
> This would give the symptoms you are
> getting. The only difference between running the motor off a battery and
> installing it in the
> car is that the motor's case is connected to one side of
> the car's battery. The motor case will be connected to +ve or -ve
internally
> depending
> on whether intended for +ve or -ve earth vehicle.
>
> Mike Brooks
> '56
> BN2
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
>
> Healeys@autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage:
http://autox.team.net/mailman/options/healeys/tahoehealey@hotmail.com
_______________________________________________
Support Team.Net http://www.team.net/donate.html
Suggested annual donation $12.75
Archive: http://www.team.net/archive
Forums: http://www.team.net/forums
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
|