1997 F355 LH/drivers door mirror wiring diagram

Not sure what you're trying to do. Can't you just match the wire colours or are you fitting a new plug or mirror?

I haven't seen any wire colours for the mirror harness (assuming the colours change at the plug).

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I see there are separate looms for the mirror and the outside air temperature sensor.

There have been a number of part number supersessions, so the wire colours may have changed over the years (but why would this be a problem for you unless you are changing the mirror/plug?)

I don't even have a plug graphic showing the pin numbering. If you can see the wire colours on the door side of the plug, maybe you could post a drawing of the pins/colours? (with the latch at the top). e.g.

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Thanks!

 

Looking at the Eurospares photos, the wire colours appear to be

2 grey? for the OAT? (shouldn't matter which way these are hooked up)

orange (C)
light blue (L)
black (N)
yellow/black (GN) ?
yellow (G) ?

for the mirror and mirror heater

 

For comparison, here's the numbering system on a Ferrari 360 mirror plug (door harness side plug, not mirror side, looking at the contacts, possibly sockets, not at the wires)

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The mirror motor wire colours seem to be similar (NB, RB and GN), but I don't know if they have the same functions. I seem to recall the centre wire on the 360 motor wiring is GN (which, according to the diagrams is different from the 355).

The rest of the 360 mirror wiring colours seem to be different for some reason.

If the numbers are printed on the 355 plug, use those in your sketch. If there are no numbers on the 355 plug, use the 360 diagram so we can have some kind of plug commonality.

The mirror side of the plug (360), looking at the pins, not the wires, the numbers will look like this:

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Wire colours unknown.

Perhaps some photos of your plug and wiring may help us.

 

The F355 mirror harness wire colours seem to be the same on the right wing mirror (minus the OAT wiring) ... unless that orange wire has a black stripe and the other side doesn't.

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Contrary to the wiring diagrams, the right wing mirror still has a 7 hole plug, but two of the pins are missing on the mirror side of the plug.

I don't know if the plug pinout is the same for the remaining 5 wires. The photo below suggests that the centre pin (missing) is for the not-installed OAT sensor.

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I can't see the keying on these plugs. Does the longer or shorter plastic tab have the latch on it?

 

Looking at online photos, the F355, 360 and F430 all seem to use the same type mirror plug. Also, the wire colours inside the mirror appear to be the same. The same two (outside air temperature sensor) pins seem to be missing on the passenger side mirror plug irrespective of the numbering system used in the wiring diagrams. The 360 and 430 wiring diagrams number the pins differently, but I now believe the numbering system on the 355 is the same as the F430.

My best guess for mirror wiring is:

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Pin 1: Orange or Orange/Black (heater wire)
Pin 2: Blue/yellow (mirror) or plain blue. Unknown if this is up/down or right/left
Pin 3: Yellow (mirror, common wire)
Pin 4: Yellow/black (mirror). Unknown if this is up/down or right/left
Pin 5: Black (earth for heater)
Pin 6: Grey (outside air temperature sensor earth)
Pin 7: Grey (outside air temperature data line to HVAC ECU)

Don't apply 12 volts to 6 & 7 when testing. May be a 5 volt sensor.

 

Yep, a definite colour change at the plug.

I'd say that the sensor is just a simple thermistor, so it won't matter which way the wires are soldered. It's just a variable resistance. If polarity was important, I don't think they wouldn't have made both wires grey.

I've added some colours and plug graphics to the 5.2 diagram, but they are a bit hard to see

https://www.dropbox.com/t/Hz6l4M00Cj3HFpkD

Can you confirm the wire colours according to the diagram in post #6 or have you put it all back together?

You could take a resistance check across pins 6 and 7 to see if the resistance is the same in both directions.

 

Excellent. Thanks.

The only thing I don't know now is which wires control the up/down (2 & 3... or 3 & 4)