I found a discussion about this topic that was 6 years old. I'm wondering if there is any new information. I recently had my driver's side mirror destroyed by another on coming RV who was driving on the center line of a narrow road. I have the huge, long arm mirrors on my van. I got the mirror replaced, but now have PTSD about driving on narrow roads and meeting other big mirrors. I would like to switch out my big ears for the smaller version. Preferably with the power fold option. I've been talking to the dealership, but they seem skeptical that this is even an option. They are still looking into it. I'd be interested even if they weren't power folding. They are just too big the way they are. Any advice is appreciated. 
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Switching side mirrors
bjpreston59
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Good to know! Did you replace it with the smaller mirror?
No. I just bought another big one. I didn't know it was possible to switch it out with smaller one without doing all the extra wiring for the power folding feature.
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Yeah, I'm not sure either. I'm still trying to figure that out, but I'm hoping to at least get the small manual folding.
If i had know that was an option I would have definitely switched. This thread came a few days after I ordered my replacement. Next time! 🤪
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If your Promaster is currently wired for folding mirrors, I don't see why you wouldn't be able to use the small folding mirrors. I would have liked to install folding mirrors, but my Promaster was not wired for them, so I didn't want any extra complications. As you shop for mirrors, just be sure to look at pictures to be sure that the new mirror has the same type of connectors and the same arrangement of wire colors (probably the safest bet) to your current mirror.
The big mirrors are manual fold.
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My mirrors are not power folding. Just power adjusting & heated. I would settle for not power folding.
Finally drove the van today and tested the mirrors. Everything works as it should! They're still big. 🤪
I would be interested in buying the passenger side large mirror, mine had an accident! I have a 2017.
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I haven't decided what I'm doing yet. Still checking out options.
I switched out from the large power mirrors with heat to the smaller ones without heat or power. Now the alarm light (triangle with lightning bolt) is on and saying signal light is not working and signal are fast. Maybe the bulb is bad. Any suggestions?
Are the repeater lights on the mirrors blinking? If not I would start there...
If they are blinking are they oem mirrors or jobber parts? If not oem maybe they are LEDs and not drawing enough current...
Repeaters blink. Jobber parts. Not enough current to recognize makes perfect sense. Would I be able to swap them out for regular lights?
Probably the simplest is to add load resistors, you just need to approximate the current of the old bulbs.
Thank you so much!!
My pleasure. There might be ways to program this with alfaobd and stuff but probably a 47 ohm 5 watt wirewound chassis mount resistor will put you in the right ballpark, the originals are 5 watt bulbs I think.
So you have 10w to dissipate? R=V2/P, so a 15 ohm, 10 watt resistor would work.
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