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Multiple System Faults & Multiple U-Codes

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Old Mar 8, 2022 | 09:55 PM
  #11  
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Originally Posted by 52merc
There are only 2 seals, the ring seal and the mat seal. Either case, you would need to buy the entire connector to get the seal. I'm assuming you are referring to the ring seal.

Awesome. Yes, based on this diagram, it would be the ring seal. Thanks again!
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Old Mar 8, 2022 | 10:06 PM
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When you get the new connector, if you have problems pulling the seal out, you can always remove the terminal/wires from the old housing and insert them into the new one. The attached shows you how to service this series of connector.
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File Type: pdf
Molex AS-33472-100-001.pdf (3.59 MB, 357 views)
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Old Mar 14, 2022 | 03:19 AM
  #13  
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Originally Posted by Nitz
Good evening fellas, I sure appreciate the responses so far.

So, tonight we took apart the tail lamp assemblies. There was no sign of water intrusion in the LH-side. Then we took apart the RH-side, and water was puddled up inside - enough to pour out (more than a few drops).

Taking the RH assembly further apart, we found water inside the harness connection from the blind spot module PN 14C689 to the lamp assembly. Upon further inspection, we saw the orange, o-ring like seal around the connector had a cut in it (possibly manufacturing defect, improper lubrication at assembly maybe). In any case, we believe this cut caused the leak path of the water intrusion.

Does anyone know the part number of this seal? We would like to order just the seal if possible and put this all back together with a new seal, and see what happens. I searched by VIN on Ford's part site and was not able to find this connector.

Thanks much for the help.
Good Evening All. I just wanted to provide a quick update. We cleaned and dried out this affected connection on 08MAR2022 (same night we discovered the water intrusion). We then reassembled (minus the bad ring seal, but with a new application of dielectric grease) and reinstalled the lamp assembly. The truck functioned well all week - no system faults. My buddy is currently travelling, so we have not yet installed a new connector or seal. Thanks again.

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Old Mar 20, 2022 | 10:34 PM
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We took the truck's suspect RH tail lamp assembly apart again today (20MAR2022). The good news is there was no sign of water intrusion and there have been no faults since drying this connection out on 08MAR2022. We are much more confident this was the problem.

The bad news is this connector does not appear to be Molex 33472-0701. The only number we found on this connector appears to be "PA66-GF35 Y-12" - it is very challenging to read as it is very small text, so this number may not be quite right. We could not find anything on the internet with this number.

It is an 8-pin connector. The male pins are part of the BLIS module. The damaged orange ring seal was bunched up in the female side of this harness connector. See (3) photos below. This is the seal (or connector) we need to replace. This truck is a 2016 F-150 Platinum SuperCrew 5.0L. Does anyone know the manufacturer and PN of this connector (or seal), and from where to order? Thanks for your time.




RH BLIS Module - 8 Pin Male




RH BLIS Harness - 8 Pin Female Connector



RH BLIS Harness Connector Ring Seal


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Old Mar 21, 2022 | 02:32 PM
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PA66-GF35 Y-12 is the code for the type of plastic used in the part. I have not yet been able to identify the connector but it does look similar to Motorcraft WPT-1434 and WPT-1545, just a different colour which might indicate different keying.
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Old Mar 21, 2022 | 06:11 PM
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Originally Posted by 52merc
PA66-GF35 Y-12 is the code for the type of plastic used in the part. I have not yet been able to identify the connector but it does look similar to Motorcraft WPT-1434 and WPT-1545, just a different colour which might indicate different keying.
Copy that regarding the plastic ID number. I agree, this female connector does appear to be the same connector in the Motorcraft Electrical Pigtail WPT1545. I would assume this ring seal comes with this pigtail kit. If I am interpreting what I am seeing correctly, WPT1545 superseded WPT1434.
https://parts.ford.com/shop/en/us/el...-1#partMatched

I found the 2018 MOTORCRAFT® WIRING PIGTAIL KITS/ WIRING TERMINAL KITS IDENTIFICATION GUIDE. This guide lists WPT1434 as "Sensor-Blind Spot Detection". I do not see any other photos of connectors in this guide which look similar. I also do not see any similar connectors nor Blind Spot listed in the 2016 guide (which I am sure does not correlate to truck MY). So, I think we are on the right track.
https://parts.ford.com/content/dam/f...il%20Final.pdf

Do you know whether the ring seal comes with this pigtail kit? Is there a chance we can ID the connector PN itself? Otherwise, we can see if the dealership can get this part. I suspect the best they will be able to do is order the pigtail kit.

Thank you so much for your help!

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Old Mar 21, 2022 | 07:11 PM
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Originally Posted by Nitz
Copy that regarding the plastic ID number. I agree, this female connector does appear to be the same connector in the Motorcraft Electrical Pigtail WPT1545. I would assume this ring seal comes with this pigtail kit. If I am interpreting what I am seeing correctly, WPT1545 superseded WPT1434.
https://parts.ford.com/shop/en/us/el...-1#partMatched

I found the 2018 MOTORCRAFT® WIRING PIGTAIL KITS/ WIRING TERMINAL KITS IDENTIFICATION GUIDE. This guide lists WPT1434 as "Sensor-Blind Spot Detection". I do not see any other photos of connectors in this guide which look similar. I also do not see any similar connectors nor Blind Spot listed in the 2016 guide (which I am sure does not correlate to truck MY). So, I think we are on the right track.
https://parts.ford.com/content/dam/f...il%20Final.pdf

Do you know whether the ring seal comes with this pigtail kit? Is there a chance we can ID the connector PN itself? Otherwise, we can see if the dealership can get this part. I suspect the best they will be able to do is order the pigtail kit.

Thank you so much for your help!
Yes, WPT-1545 supersedes WPT-1434. Yes, the pigtail will include the ring seal. The WPT-1545 should be a direct fit for the Mustang BLIS modules, but it looks like the F150 modules use a different key option, hence the different colour.

If it were me, I would just carefully put a small amount of RTV in the bottom of the seal area, reinsert the seal, and reconnect the connector. It should be enough to seal it. I would take the connector all apart and clean everything first.
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Old Mar 22, 2022 | 06:43 PM
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Take your VIN to a dealership, they can look up the exact connector.
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Old Nov 24, 2022 | 06:49 PM
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Well .... after searching this forum and finding a few clues here was my problem and solution. I have a 2016 F150 King Ranch with auto running boards. All of a sudden a few days ago I started getting the blind spot system fault warning, the cross traffic system fault, air bag fault, tire pressure fault. Heater would go on and off intermittently, the front windows would work intermittently before the blind spot fault popped up, running boards would stay up and wouldn't operate and the radio controls wouldn't work.

Here was the problem. I'd cracked my drivers side tail light one day when I accidentally backed into something. This was several years back. Skip to today and reading the forum I decided to investigate. I removed the tail light. Unplugged it from the wiring harness. I immediately noticed some bluish corrosion on two of the tongs on the connection. I had to get my gal who sees better to confirm the corrosion which wasn't bad but was clearly spanning two of the pins on the tail light assembly. I got a Qtip and some rubbing alcohol and cleaned the pins and then wiped the wiring harness female end that plugs into the tail light. Super easy. Plugged it back in, reinstalled the tail light and everything is working again. Super simple fix. Who'd a thunk it. I thought the whole truck system was toast. If the dealer can't figure this out ... wow.

Anyway, I'll need to find a new tail light cover to keep water from coming in and starting the corrosion again but crisis averted. My mechanic won't be getting a new bike for his kids this Christmas. That said I like my mechanic.

Good luck and I hope this helps.
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