hro0250
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- Apr 6, 2017
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- Location
- Seattle WA
- Vehicle(s)
- 2015 Magnetic Ecoboost Premium
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- #1
I had gotten a couple requests to post a separate thread specifically about how I added rain sensing wipers to my 2015 ecoboost premium. This mod is semi to medium hard, you will need to be comfortable removing wiring harnesses and soldering new ones, as well as be proficient with forscan for programming.
I started by ordering the parts on fordparts.com
-The rain sensor (17D547) $62
-The cover (17D550) $11
-The wiring harness, (select coupe or convertible) (14B242) $44
-The Wiper switch (17A553-ba) $37
-You'll also need a new windshield (03100) with the sensor mounting bracket, luckily my old windshield was chipped so through insurance it was only a $100 deductible to replace, I told them I needed the one with the rain sensor mount and they had no issues putting that windshield on instead of the regular one (I think my insurance made me use Safelite).
-I started by removing the steering wheel cover or shroud by removing the two screws underneath, then it just popped in half with a soft pry tool. The black box attached to the steering column behind the wheel with the wiper and turn signal stalks attached is called the Steering Column Control Module or SCCM. After removing the shroud you'll need to remove the two little screws that hold the wiper stalk to the SCCM and pull it straight out, replace with the new one.
-To wire the new harness I started by removing the drivers side A pillar and vanity mirror (make sure to disconnect the battery as you'll be near the side curtain airbag) then pull the dome lights straight down and unplug, they're just clipped in, then you can gently pull down the front of the headliner to see the rest of the harness. You'll then need to remove the plug from the back of the auto dimming rear view mirror and start pulling that harness out, it ends at the base of the drivers A pillar. Before installing your new harness you'll need to remove pin 3 (yellow wire) and pin 9 (green wire) from the 16 pin connector at the base of the new harness that plugs in at the bottom of the drivers side A pillar not from the connectors at the top with the mirror and rain sensor plugs, the pin 3 yellow wire is the LIN data wire from the rain sensor, it needs to be soldered in line with pin 8 (yellow-grey wire) coming from the 12 pin harness on the left, side of the SCCM NOT the bottom, the bottom is the airbag clockspring. The green wire is the hot wire and needs to be soldered to run or accessory power. I ran mine into the engine bay and tapped into the violet-white power wire going to pin 8 at the wiper motor so the rain sensor only has power when the wiper stalk is on, this is how the official diagram shows the rain sensor getting power as well, however im sure any switched power would work. After connecting the LIN data and the power you can plug the new harness in and run it exactly where you took out the old one and plug in the mirror and you'll have an extra connector for the rain sensor. Ground is tapped from the auto dimming mirror inside the new wire harness so don't worry about it. (attached are the official Ford wiring diagrams)
-Next after putting everything back and reconnecting the battery you're going to want to open forscan (you'll need the extended license) and go to program, go to the SCCM as built data and open it. You'll then need to change Line (724-02-01) to CA27 7C49 E4. This is the as built data from a car with auto wipers. Now if the stalk is left in int. which is now auto position the SCCM should listen to the rain sensor and you can adjust the sensitivity with the dial. Lastly you'll need to go to the IPC (instrument panel cluster) as built program screen and change (720-02-02) to XX8X XX(XX), leaving the last 2 in parenthesis for checksum which forscan will do automatically. Don't actually put X's, leave those with what is already there just change the 3rd space to 8; this enables the option to select to turn on and off "rain sensing" in the vehicle settings under "wipers".
-Now if you leave your headlights in the auto position they will only turn on if the rain sensor detects water and the wiper stalk is in auto position, instead of the headlights staying on if the stalk is left in the int. position.
And thats it! It seems intensive but it took me about an afternoon and cost about $250 give or take, this was a great mod for the price. I hope someone finds this useful!
View attachment Auto Wipers.pdf
View attachment Rain Sensor.pdf
I started by ordering the parts on fordparts.com
-The rain sensor (17D547) $62
-The cover (17D550) $11
-The wiring harness, (select coupe or convertible) (14B242) $44
-The Wiper switch (17A553-ba) $37
-You'll also need a new windshield (03100) with the sensor mounting bracket, luckily my old windshield was chipped so through insurance it was only a $100 deductible to replace, I told them I needed the one with the rain sensor mount and they had no issues putting that windshield on instead of the regular one (I think my insurance made me use Safelite).
-I started by removing the steering wheel cover or shroud by removing the two screws underneath, then it just popped in half with a soft pry tool. The black box attached to the steering column behind the wheel with the wiper and turn signal stalks attached is called the Steering Column Control Module or SCCM. After removing the shroud you'll need to remove the two little screws that hold the wiper stalk to the SCCM and pull it straight out, replace with the new one.
-To wire the new harness I started by removing the drivers side A pillar and vanity mirror (make sure to disconnect the battery as you'll be near the side curtain airbag) then pull the dome lights straight down and unplug, they're just clipped in, then you can gently pull down the front of the headliner to see the rest of the harness. You'll then need to remove the plug from the back of the auto dimming rear view mirror and start pulling that harness out, it ends at the base of the drivers A pillar. Before installing your new harness you'll need to remove pin 3 (yellow wire) and pin 9 (green wire) from the 16 pin connector at the base of the new harness that plugs in at the bottom of the drivers side A pillar not from the connectors at the top with the mirror and rain sensor plugs, the pin 3 yellow wire is the LIN data wire from the rain sensor, it needs to be soldered in line with pin 8 (yellow-grey wire) coming from the 12 pin harness on the left, side of the SCCM NOT the bottom, the bottom is the airbag clockspring. The green wire is the hot wire and needs to be soldered to run or accessory power. I ran mine into the engine bay and tapped into the violet-white power wire going to pin 8 at the wiper motor so the rain sensor only has power when the wiper stalk is on, this is how the official diagram shows the rain sensor getting power as well, however im sure any switched power would work. After connecting the LIN data and the power you can plug the new harness in and run it exactly where you took out the old one and plug in the mirror and you'll have an extra connector for the rain sensor. Ground is tapped from the auto dimming mirror inside the new wire harness so don't worry about it. (attached are the official Ford wiring diagrams)
-Next after putting everything back and reconnecting the battery you're going to want to open forscan (you'll need the extended license) and go to program, go to the SCCM as built data and open it. You'll then need to change Line (724-02-01) to CA27 7C49 E4. This is the as built data from a car with auto wipers. Now if the stalk is left in int. which is now auto position the SCCM should listen to the rain sensor and you can adjust the sensitivity with the dial. Lastly you'll need to go to the IPC (instrument panel cluster) as built program screen and change (720-02-02) to XX8X XX(XX), leaving the last 2 in parenthesis for checksum which forscan will do automatically. Don't actually put X's, leave those with what is already there just change the 3rd space to 8; this enables the option to select to turn on and off "rain sensing" in the vehicle settings under "wipers".
-Now if you leave your headlights in the auto position they will only turn on if the rain sensor detects water and the wiper stalk is in auto position, instead of the headlights staying on if the stalk is left in the int. position.
And thats it! It seems intensive but it took me about an afternoon and cost about $250 give or take, this was a great mod for the price. I hope someone finds this useful!
View attachment Auto Wipers.pdf
View attachment Rain Sensor.pdf
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