Sunshade Reverse Auto Retract - Taurus Car Club of America : Ford Taurus Forum
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post #1 of 21 (permalink) Old 05-10-2018, 09:33 AM Thread Starter
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Sunshade Reverse Auto Retract

Is it possible, maybe via FORScan through BCM, to delete the auto retraction of the rear sunshade in reverse? Even with tinted windows I use the rear Sunshade often in sunny, hot, SC. All of that up and down, when the camera is usually all I need, is asking for a failure.

Note: I thought I had posted this a little earlier today. But when I went to check on it, it wasnít there. At the time I was having issues getting the site to load and move from page to page. So, if it pops up again, my apologies.
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post #2 of 21 (permalink) Old 05-10-2018, 05:26 PM
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I haven't seen anything on my version of FORScan that will allow you to cancel the reverse pull down of the sunshade and I doubt that Ford would have it as an option in the module programming. I simply accessed the reverse trigger wire behind the rear driver side seat cushion and added a toggle switch to the panel to cancel the feature or switch it back to automatic.
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post #3 of 21 (permalink) Old 05-11-2018, 08:19 AM Thread Starter
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Quote:
Originally Posted by michaelt62 View Post
I haven't seen anything on my version of FORScan that will allow you to cancel the reverse pull down of the sunshade and I doubt that Ford would have it as an option in the module programming. I simply accessed the reverse trigger wire behind the rear driver side seat cushion and added a toggle switch to the panel to cancel the feature or switch it back to automatic.
Thank you for your input. I donít have a sunroof so I could put a rocker switch right there. Does breaking that wire interrupt all reverse travel or just the automatic reverse? Do you remember which wire it was or have a copy of a schematic?
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post #4 of 21 (permalink) Old 05-11-2018, 04:58 PM
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I didn't put the toggle switch up in the overhead console, I put it in where the sunshade switch is below the climate control panel. The reverse trigger wire is blue/white, and yes you can just cut the wire and tape it off if you don't want to add the toggle switch. With the wire cut, the sunshade can only be operated (up/down) by the sunshade switch and will not retract when the transmission is placed in reverse. I just put the toggle switch in so I could easily turn the feature back on if anyone else drove the car or in went in for repairs. The wire harness runs behind the rear seat outer cushion on the driver's side, fold down the seat back and reach in behind the outer cushion and you will feel the harness. There is enough room if you are only going to cut the wire and tape it off, but if you want to crimp on male/female connectors(to re-enable the feature) you will need to remove the outer cushion for more room. ****NOTE:**** There are more than one blue/white wires in the harness!!!. Simply use a straight pin to pierce the wire jacket, connect your red wire from your volt meter to the pin. Connect the black voltmeter wire to any chassis bolt, turn the voltmeter dial to 20 volts DC. Switch the ignition to RUN(not ACCY), put the shifter in reverse and if you got the right wire you should see 10-12 volts.
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post #5 of 21 (permalink) Old 05-11-2018, 06:18 PM Thread Starter
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Quote:
Originally Posted by michaelt62 View Post
I didn't put the toggle switch up in the overhead console, I put it in where the sunshade switch is below the climate control panel. The reverse trigger wire is blue/white, and yes you can just cut the wire and tape it off if you don't want to add the toggle switch. With the wire cut, the sunshade can only be operated (up/down) by the sunshade switch and will not retract when the transmission is placed in reverse. I just put the toggle switch in so I could easily turn the feature back on if anyone else drove the car or in went in for repairs. The wire harness runs behind the rear seat outer cushion on the driver's side, fold down the seat back and reach in behind the outer cushion and you will feel the harness. There is enough room if you are only going to cut the wire and tape it off, but if you want to crimp on male/female connectors(to re-enable the feature) you will need to remove the outer cushion for more room. ****NOTE:**** There are more than one blue/white wires in the harness!!!. Simply use a straight pin to pierce the wire jacket, connect your red wire from your volt meter to the pin. Connect the black voltmeter wire to any chassis bolt, turn the voltmeter dial to 20 volts DC. Switch the ignition to RUN(not ACCY), put the shifter in reverse and if you got the right wire you should see 10-12 volts.
Now THATííS what I call detailed instructions. Thank you! I was thinking of the exact same switch position when I said I didnít have a sunroof. The sunroof switches are located to the left of the shade switches.....I think. Now Iím doubting myself. Those two blank out were where I thought they went. Regardless Iíll probably be fine taping it off and leaving it manual operation only. Thatís the way Iíve always wished it was.
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post #6 of 21 (permalink) Old 05-12-2018, 05:37 PM
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Here are some pic's of the wire & harness and the toggle switch placement.
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post #7 of 21 (permalink) Old 05-13-2018, 06:38 PM Thread Starter
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Quote:
Originally Posted by michaelt62 View Post
Here are some pic's of the wire & harness and the toggle switch placement.
All done and all is well! Thank you so much! I see your location of the switch is better than the blank outs because you don't have to reach around the shifter. I had to move some carpet to find the harness. I did notice one thing though. It may be a new quirk. On my first blue/white wire that showed 11.78v under the proper conditions I thought to myself, "Let's be double dog sure that's the one we're looking for". "Double dog sure" is southern for positive. So I had my assistant put the shifter in park, still showed 11.78v. So I wasn't cutting that one. Found another blue/white that did nothing. Then I found a third that read 11.78v under the proper conditions. With this one when my assistant put the shifter in park meter went to 0.00. Jackpot! Snipped, taped, done! Works exactly as I always wished it had.
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post #8 of 21 (permalink) Old 11-07-2018, 03:15 PM
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Sorry for resurrecting an old thread. I just bought a 2015 SHO and HATE the reverse/shade down feature.
I am going to try this fix this weekend and wanted to verify this fix only disables the signal to retract the rear shade and doesn't mess with the reverse lights or backup camera?

Thanks in advance!
Mike
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post #9 of 21 (permalink) Old 11-07-2018, 05:04 PM
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MikeB_40 this only disrupts the reverse signal to the sunshade module. If you don't want to add a toggle switch to turn off/on the reverse auto down feature, just leave the wires as seen in my first pic, then the sunshade will only work with the dash switch and when you want the auto feature back, just reconnect it.
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post #10 of 21 (permalink) Old 11-07-2018, 05:09 PM
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Quote:
Originally Posted by MikeB_40 View Post
Sorry for resurrecting an old thread. I just bought a 2015 SHO and HATE the reverse/shade down feature.
I am going to try this fix this weekend and wanted to verify this fix only disables the signal to retract the rear shade and doesn't mess with the reverse lights or backup camera?

Thanks in advance!
Mike
By taping off the wire it will disable the Automatic detraction of the sun shade. The Sun Shade button will still work but you will have to manually close it. It will not effect reverse camera or reverse lights.

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