XJ6 & XJ12 Series I, II & III 1968-1992

1985 XJ6 wipper no turning

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  #1  
Old 10-26-2021, 03:56 PM
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Default 1985 XJ6 wipper no turning

Hello,
PLease I have another Series 3 that has joined my Jag at home

​​​​​Sadly, the wipper wouldn't move in any turn direction.

What do I need to check and fix to have the wipper working?

Help needed.
 
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Old 10-26-2021, 05:02 PM
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have you checked the fuse? it's probably the switch. It can be rebuilt but you need to remove it and take it apart. Not an easy job.
 
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Old 10-26-2021, 05:14 PM
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Originally Posted by Jose
have you checked the fuse? it's probably the switch. It can be rebuilt but you need to remove it and take it apart. Not an easy job.
Where is the fuse located Jose?
Do I have to change the whole switch on the steering?
 

Last edited by mikega; 10-27-2021 at 12:36 AM.
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Old 10-27-2021, 06:43 AM
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There are a few places where faults can develop for the wiper motor circuit. Agreed, start with the fuse - it is #6 in the main fuse panel. The switch could well be faulty or have dirty contacts, but it is a fiddly job to open up and clean. I suggest first you check if you have 12V across the KLG and BLG wires going to the wiper motor when the ignition is on and the switch in the normal wiping position (regular speed wipe).
The small grey connector plug at the motor can develop bad contacts - worth checking and cleaning that.
In the motor itself, the carbon brushes could be worn and no longer making contact with the armature. Also, the park switch could have corroded contacts and be dropping voltage.. The motor magnets could have come loose (they are only glued on from the factory). Or you could have a fault with the motor windings.
I suggest that, if you have voltage going to the motor but it is not turning, remove the motor and have an electric motor repair shop test it for you. I am sure there will be plenty of such specialists in Accra. They should be able to diagnose a fault with it, such as burnt windings or simply worn brushes and repair for you for a reasonable price.
If you don't have voltage at the motor, but the fuse is good, then it would indeed point to a switch fault.
 
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Old 10-28-2021, 02:27 PM
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At least two of us have had it be a relay behind the fuse box.
 
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Old 10-28-2021, 02:30 PM
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Originally Posted by muttony
At least two of us have had it be a relay behind the fuse box.
what might be wrong with that relay, can I possibly see a photo of that relay so I can find it easy
 
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Old 10-28-2021, 02:56 PM
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There is a relay which if it is bad, the wiper motor won't do anything. It can be tested with a multimeter. Here is the thread where I troubleshot it.
 
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Old 10-28-2021, 03:31 PM
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that relay is for the Interval function of the wiper motor, the lowest position of the switch. it is blue in color and is mounted above the Cruise Control box in a Left Hand Drive car passenger side. You need to remove the cruise control box first to see it.
 
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Old 10-28-2021, 11:05 PM
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Originally Posted by mikega
what might be wrong with that relay, can I possibly see a photo of that relay so I can find it easy




Here is the Series 2 wiper relay. According to SNG Barratt it is NLA. Branded "SELECO" who I think are a Spanish electrical manufacturer.

The reason I have this relay is to try and replicate its fitment to the Series 1 wiring loom, so I can have the luxury of a "single wipe" function, maybe by installing a push-button on the dashboard.
But the series 2 wiring diagram is less than helpful to say the least. Maybe the McLean diagrams will assist.
So, I have been trying to graft the wires together from the wiring harness that was chopped and diced from the old S2 car I dismantled.
A bit of a nightmare. Now I know how the Iranians felt when trying to paste together the shredded documents from the ransacked US Embassy!

Sorry, I'm not much help with the subject wiper problem, but often I cannot help myself!
 
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Old 10-28-2021, 11:13 PM
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PS, by the way, I also had no idea what this relay looked like when trying to locate it.
Fortunately, my dear wife came to the rescue.
She has the uncanny knack I finding anything in my Spare Parts Department (back shed), based on my vague descriptions, even though she knows nothing about cars.
Just amazing.
 
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Old 10-29-2021, 12:34 AM
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Originally Posted by muttony
At least two of us have had it be a relay behind the fuse box.
Please be specific here, which of the fuse box, in the engine bay, in the driver leg room upper side or the one in the passenger leg room upper?
 
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Old 10-29-2021, 01:18 AM
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The fuse is in the main fuse panel by the driver's legs. When you open the fuse box cover, there should be a sticker on the back of it showing which fuse is which.
The relay is on the auxiliary fuse panel board on the passenger side. On my Series III, the relay does not look like the one in the earlier posting, but instead is a blue plastic casing, same size and shape as a normal relay.
 
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Old 10-29-2021, 01:42 AM
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Originally Posted by Andy T.
The fuse is in the main fuse panel by the driver's legs. When you open the fuse box cover, there should be a sticker on the back of it showing which fuse is which.
The relay is on the auxiliary fuse panel board on the passenger side. On my Series III, the relay does not look like the one in the earlier posting, but instead is a blue plastic casing, same size and shape as a normal relay.
Thanks Andy,
My worry was locating the relay, for the fuses area at times is my playground so I know there 😀😂
 
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Old 10-29-2021, 02:56 AM
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Originally Posted by Andy T.
The fuse is in the main fuse panel by the driver's legs. When you open the fuse box cover, there should be a sticker on the back of it showing which fuse is which.
The relay is on the auxiliary fuse panel board on the passenger side. On my Series III, the relay does not look like the one in the earlier posting, but instead is a blue plastic casing, same size and shape as a normal relay.
Please confirm if the wipper relay is the one hiding on top there as in the attached pictures



 
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Old 10-29-2021, 03:00 AM
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Yes that looks like it
 
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Old 10-29-2021, 03:16 AM
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Originally Posted by Andy T.
Yes that looks like it
Great, I don't have the testing tool so am going to auto electrical shop to check on that now
am at the shop, work started

 

Last edited by mikega; 10-29-2021 at 03:58 AM.
  #17  
Old 10-29-2021, 04:15 AM
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Originally Posted by Andy T.
Yes that looks like it
Andy, we tested it with 12V tester and only the redgreen wire has power when the wiper is turned on.


which is the next action to be taken or what else should we do?
 
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Old 10-29-2021, 04:45 AM
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That relay is only in use when you choose the intermittant wipe function. I don't think your problem lies there if the wipers are not working in normal or fast wipe mode.
Here is a page from the wiring diagram showing how the wiper circuit is configured:
 
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Old 10-29-2021, 04:47 AM
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Originally Posted by Jose
that relay is for the Interval function of the wiper motor, the lowest position of the switch. it is blue in color and is mounted above the Cruise Control box in a Left Hand Drive car passenger side. You need to remove the cruise control box first to see it.
The relay has power on only the Redgreen wire and rest tested and has no power.
Now the issue is locating the wipper motor to check that too
 
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Old 10-29-2021, 04:52 AM
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Originally Posted by Andy T.
That relay is only in use when you choose the intermittant wipe function. I don't think your problem lies there if the wipers are not working in normal or fast wipe mode.
Here is a page from the wiring diagram showing how the wiper circuit is configured:
Thanks AndyPlease where do I locate the wipper motor?
 


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