Passenger side power fold mirror not working

droidekafan · 27th March 2022, 16:42

Hi all. Just fitted a set of power fold mirrors to my 75. The driver side mirror works fine and folds but the passenger side mirror does nothing. It adjusts fine but just doesn't fold. Anyone have any advice on how to fix or diagnose the problem? Cheers

stevestrat · 27th March 2022, 17:20

All the wiring/connectors present at the passenger side? Two connectors, one for adjustment and heating, one for folding.

Yorkshire GOC · 27th March 2022, 18:08

Try this first using contact cleaner / pencil rubber

https://www.the75andztclub.co.uk/for...d.php?t=233971

Yorkshire GOC · 27th March 2022, 18:09

If the board is not the problem it could be the mirror gears have packed up

https://www.ebay.co.uk/sch/i.html?_f...gears&_sacat=0

droidekafan · 27th March 2022, 18:30

Quote:

Originally Posted by Yorkshire GOC

If the board is not the problem it could be the mirror gears have packed up

https://www.ebay.co.uk/sch/i.html?_f...gears&_sacat=0

How easy is it to change those gears? I have the later skullcap types.

Yorkshire GOC · 27th March 2022, 18:52

Quote:

Originally Posted by droidekafan

How easy is it to change those gears? I have the later skullcap types.

Never done the job myself but have cleaned the circuit board 2 or 3 times over the years and it sorted non working powerfolds.

But this tells how you do it on Bullets

https://www.the75andztclub.co.uk/for...d.php?t=157999

stevestrat · 27th March 2022, 18:50

Quote:

Originally Posted by Yorkshire GOC

Try this first using contact cleaner / pencil rubber

https://www.the75andztclub.co.uk/for...d.php?t=233971

Can't see dirty contacts being the problem if one is folding and the other isn't. More likely a problem with the mirror motor or wiring. Try applying power to the motor directly, the two wires are +ve and -ve, can't remember which is which. One polarity opens or folds the mirror, reversing the polarity moves it in the other direction.

If its the gears you should still hear the motor working.

Quote:

Originally Posted by droidekafan

How easy is it to change those gears? I have the later skullcap types.

There is a "how to" for changing the gears. Trebor who wrote the how to used to supply replacement gears but don't know if he still does.

Where did you get the mirrors and do you know if they were working correctly before you got them?

droidekafan · 27th March 2022, 18:55

Quote:

Originally Posted by stevestrat

Can't see dirty contacts being the problem if one is folding and the other isn't. More likely a problem with the mirror motor or wiring. Try applying power to the motor directly, the two wires are +ve and -ve, can't remember which is which. One polarity opens or folds the mirror, reversing the polarity moves it in the other direction.

If its the gears you should still hear the motor working.

There is a "how to" for changing the gears. Trebor who wrote the how to used to supply replacement gears but don't know if he still does.

Where did you get the mirrors and do you know if they were working correctly before you got them?

Got the mirrors from Tom Force, he said he tested them and they were working when I got them. I don't hear anything from the mirror when I press the button.

The voltage to the mirrors would just be straight 12V right?

stevestrat · 27th March 2022, 19:02

If you've got a multimeter I'd check there is power going to the mirror when the button is pressed.

Hold in, is the cross body wiring which runs under the dash between the doors present. Two wires, one orange, the other orange/red.

BigRuss · 27th March 2022, 19:10

Using a multimeter check at the connector to the mirror at the non working side when the button is pressed.

Were the orange and orange striped wire definitely at the car side of the door loom connectors, as that's where it's missing from lower spec cars?

The Driver's side will always work as the wiring at that side is complete in the driver's side door loom

If it's not working on the Passenger side it's definitely either a connection issue at one of the door loom connectors, the connection to that mirror or missing wiring.

It's a just a switched loop that runs from the Driver's switch pack to the mirror and back again

Russ

27th March 2022, 16:42	#1
droidekafan Newbie Rover 75 Join Date: Feb 2022 Location: Barry Posts: 8 Thanks: 0 Thanked 0 Times in 0 Posts	Passenger side power fold mirror not working Hi all. Just fitted a set of power fold mirrors to my 75. The driver side mirror works fine and folds but the passenger side mirror does nothing. It adjusts fine but just doesn't fold. Anyone have any advice on how to fix or diagnose the problem? Cheers

27th March 2022, 17:20	#2
stevestrat This is my second home ZT260 #243 (resting) Join Date: May 2010 Location: Prestonpans Posts: 22,558 Thanks: 650 Thanked 4,624 Times in 3,358 Posts	All the wiring/connectors present at the passenger side? Two connectors, one for adjustment and heating, one for folding. __________________ Steve T4 Location Map

27th March 2022, 18:08	#3
Yorkshire GOC I really should get out more....... Rover 75 connoisseur se v6 auto Join Date: May 2014 Location: Hull Posts: 2,082 Thanks: 1,842 Thanked 623 Times in 469 Posts	Try this first using contact cleaner / pencil rubber https://www.the75andztclub.co.uk/for...d.php?t=233971 __________________ She came off the Longbridge Line on 20-05-2003 The Silver Machine was the 13th of 160 Rover 75's to come off the production line that day and is the 100th of 527 Starlight Silver Rover 75 2.5 V6 Connoisseur SE Auto saloons listed in the build records produced world wide.

27th March 2022, 18:09	#4
Yorkshire GOC I really should get out more....... Rover 75 connoisseur se v6 auto Join Date: May 2014 Location: Hull Posts: 2,082 Thanks: 1,842 Thanked 623 Times in 469 Posts	If the board is not the problem it could be the mirror gears have packed up https://www.ebay.co.uk/sch/i.html?_f...gears&_sacat=0 __________________ She came off the Longbridge Line on 20-05-2003 The Silver Machine was the 13th of 160 Rover 75's to come off the production line that day and is the 100th of 527 Starlight Silver Rover 75 2.5 V6 Connoisseur SE Auto saloons listed in the build records produced world wide.

27th March 2022, 19:02	#9
stevestrat This is my second home ZT260 #243 (resting) Join Date: May 2010 Location: Prestonpans Posts: 22,558 Thanks: 650 Thanked 4,624 Times in 3,358 Posts	If you've got a multimeter I'd check there is power going to the mirror when the button is pressed. Hold in, is the cross body wiring which runs under the dash between the doors present. Two wires, one orange, the other orange/red. __________________ Steve T4 Location Map

27th March 2022, 19:10	#10
BigRuss Premium Trader 75 CDT Tourer,2.5 Launch Saloon, Omipro MG/Rover (T4) Join Date: Jul 2007 Location: Liversedge, West Yorkshire Posts: 5,411 Thanks: 1,105 Thanked 1,340 Times in 661 Posts	Using a multimeter check at the connector to the mirror at the non working side when the button is pressed. Were the orange and orange striped wire definitely at the car side of the door loom connectors, as that's where it's missing from lower spec cars? The Driver's side will always work as the wiring at that side is complete in the driver's side door loom If it's not working on the Passenger side it's definitely either a connection issue at one of the door loom connectors, the connection to that mirror or missing wiring. It's a just a switched loop that runs from the Driver's switch pack to the mirror and back again Russ __________________ Replacement Key Service http://https://the75andztclub.co.uk/...d.php?t=244732 Full T4 Testbook diagnostics available. Diesel ECU repair and replacement. Options enabled or disabled as required. Diesel X-Power 135 and 160bhp, Rover 1.8T 150 to 160 MG 160 V6 to 177 upgrades available P.M. for details. Last edited by BigRuss; 27th March 2022 at 19:14..