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Need Part # for Harness Cable

Discussion in 'Prius v Audio and Electronics' started by Gator6, Feb 15, 2020.

  1. Gator6

    Gator6 Junior Member

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    I have a 2012 Prius v wagon. It came with a standard mirror. I purchased on Ebay the TOYOTA PRIUS REAR VIEW MIRROR POWERED OBIHL3 AUTO DIM HOME LINK. I figured I could hit the local dealership for the wire harness that goes with it. However, the couple of dealerships I tried can't help me unless I have a part number. Apparently they are completely unable to extrapolate the part number from a vehicle that this would come with (God forbid). I sent an email more than a week ago to the Prius Chat Store with no reply. Anyone have a part number or and a suggestion as to help me make this happen? The hillbillies in this area don't know how to drive unless their brights are on full time, bless their hearts. Thanks
     
    #1 Gator6, Feb 15, 2020
  2. ChapmanF

    ChapmanF Senior Member

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    #2 ChapmanF, Feb 15, 2020
  3. Gator6

    Gator6 Junior Member

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    Hey Chapmanf, Thx for the reply. I looked at the diagrams. They show the harnesses under the seat. A pDF that I have shows the harness connecting at the mirror then traversing to the driver's side down the left A-arm then plugging into two different boxes. Am I seeing the diagrams wrong? I attached the PDF I went by. Thanks for your help,!
     
    #3 Gator6, Feb 15, 2020
  4. ChapmanF

    ChapmanF Senior Member

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    If you look at the name of the part, it says WIRE, ROOF, #1.

    Try clicking "full diagram", and when you are there, "View More Images". The image that shows the #82171 harness might be about the eighth one in the set.
     
    #4 ChapmanF, Feb 15, 2020
  5. rjparker

    rjparker Tu Humilde Sirviente

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    You really don’t need a new harness because you either add one wire for switched 12v or just use full time 12v and ground that is already in the maplight. I did the second method. The mirror draws about 6ma except when activated by the pushbuttons or when it is changing dim.

    To add a switched 12v run a wire from the inside fuse box with an add a fuse up to the maplight area. The 12v and Gnd are up there and can be accesed with t-taps.

    To use just the 12v and Ground just t-tap in the maplight area. If you were going to park it at the airport for a month, just toggle the homelink’s on off button. I have left mine for almost two weeks with the mirror on with no ill effects.

    Finally don’t forget the wire cover from the mirror to roof.
     

    Attached Files:

    #5 rjparker, Feb 16, 2020
  6. Gator6

    Gator6 Junior Member

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    RJParker, Thanks. I might try this today weather permitting. I will check out the avionics shop & see if they have molex connector for this. If so, it won't take long to make this work & look custom. I don't plan on using the plastic wire cover. I think I am going to go with aircraft grade heat shrink. It will stand up to the summer windshield heat with not problem & have a minimal look.
     
    #6 Gator6, Feb 16, 2020
  7. rjparker

    rjparker Tu Humilde Sirviente

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    There is already a cable and connector on the 20 Pin maplight, eg u3. So if you are going two wire up there and want a plug and play you would need the male and female 20 pin stuff.
     
    #7 rjparker, Feb 16, 2020
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