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Wipers not work

Posted: Mon Jul 09, 2018 9:35 am
by Sandun
Hi My friends , today is rainy day , so i switch on for wipers , it not work , Last wiring i did for Alternator conversation.
Switch is work

Please help

Re: Wipers not work

Posted: Mon Jul 09, 2018 10:48 am
by StillGotMy1stCar
Hello Sandun, The wiper motor is wired in an unusual way. The switch is on the earth side of the motor. That earth wire is the black ones that were on the control box E terminal when you had a dynamo.
I expect those black wires have lost its connection to the car body.
Just earth the black wires to the car body and hopefully it should work.
The +12V supply is switched via the ignition and one of the two fuses next to the control box.
Good luck.
Regards John

Re: Wipers not work

Posted: Mon Jul 09, 2018 1:01 pm
by Sandun
Thanks , I not removed" E " wires , still have two wires in "E "

I removed the wiper moter just now , the two brash not in correct place , there was a small spring with broken small plastic /fiber pieces (only one pieces with spring .

What happen now.

Re: Wipers not work

Posted: Mon Jul 09, 2018 1:14 pm
by Sandun
See the pic (from bed - not my one ) the red color wire damage insulation , is it normal ? My motor also like this (damage insulation and may be contact with body )

Re: Wipers not work

Posted: Mon Jul 09, 2018 1:15 pm
by Sandun
This small plastic parts missing .

Re: Wipers not work

Posted: Mon Jul 09, 2018 2:51 pm
by Sandun
My parts

Re: Wipers not work

Posted: Mon Jul 09, 2018 3:42 pm
by StillGotMy1stCar
The damaged red wire needs replacing. It is the auto park wire. If this wire touches the body of the motor the wipers will start even with the switch off. Mark the disc section that the wire is connected to in relation to the body as it adjusts the park position.
The broken and missing plastic pieces are insulators for the spring to attach to, this pulls the brushes against the commutator.
You could make some yourself out of plastic or buy a new brush holder set for Lucas DR2/DR3 Wiper motor.
https://www.ebay.co.uk/itm/new-brush-ho ... Sw90xarpHv

Regards John

Re: Wipers not work

Posted: Tue Jul 10, 2018 8:36 am
by Sandun
Hi Thank you for help , I insulate the wire , and make two plastic Spring holders ,

I use Old Curcuit bord for it , I clean all curcuit parth using sand papers and I could use the small holes also without drilling it .

Now it fine work Again. Many thans.

Re: Wipers not work

Posted: Tue Jul 10, 2018 8:56 am
by StillGotMy1stCar
Excellent.
I knew you could make a suitable replacement part.
Good result.
Regards John