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PointedThree :  Vans, Trucks, SUVs and Other Forums : G-Class : Which line is for heated mirror on 300GE

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Which line is for heated mirror on 300GE
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Posted 10/24/2023 2:36 AM
King_GH
Extreme Veteran




Date registered: Oct 2011
Location: London
Vehicle(s): 95 G300 RHD
Posts: 324
300
Which line is for heated mirror on 300GE

The previous owner of my truck had replaced the original mirrors with the G500 one however the heated mirrors weren’t connected. I’ve managed to locate the heated mirror lines for the g500 mirror and trying to match it with the original connection. I’ve attached the connector for the old mirror which is on the car but not connected. (Attached image) I’ve managed to find out what the lines are for and they are mainly for controlling the glass movement.
White - back
Green/black - left
Blue/brown - right
Red/black - always on
Brown - ???

I suspect this may be quite simple however when I turned on the defroster, I didn’t get any power coming through the brown. My question is: what is the brown for and why isn’t any power coming through, or does that mean my car had no heated mirrors to begin with? That’ll be odd cos the manual does mention that the defroster heats up the mirror.



(IMG_0028.jpg)



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#244041
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Posted 10/25/2023 5:47 AM
Inkblotz
Expert




Date registered: Apr 2006
Location: Georgia
Vehicle(s): 90 300GD "Thundering Turtle II", w/ 603A turbo
Posts: 3186
2000
Re: Which line is for heated mirror on 300GE

Browns are generally always grounds
#244042 - in reply to #244041
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Posted 10/25/2023 2:36 PM
King_GH
Extreme Veteran




Date registered: Oct 2011
Location: London
Vehicle(s): 95 G300 RHD
Posts: 324
300
RE: Which line is for heated mirror on 300GE

So the Red/black with the constant power must be the live. In that case can we conclude that the car never had a heated mirror?
#244044 - in reply to #244041
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