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Seatbelt “sensor” pinout

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Old Mar 20, 2023 | 04:00 PM
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Default Seatbelt “sensor” pinout

I have a 99 ram 1500 and I’ve finished fixing a bunch of time consuming stuff so I’ve moved onto the interior again. When I bought the truck the seats were junk. Falling apart, someone put a board into the drivers seat because the springs broke, and just incredibly uncomfortable to sit in for more than about 15 minutes. I went to a junkyard and picked up a pair of full power Chevy trailblazer seats (integrated seatbelt) which were cheaper and easier to source than oem dodge leather power seats. I went to just close the signal so it always thinks the seatbelt is buckled, but I see there’s three wires on the plug so I just don’t know which ones need to be connected to close the circuit
 
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Old Mar 20, 2023 | 05:52 PM
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Have the service manual for your truck? If not, get one here. Wiring diagrams are in section 8W.
 
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Old Mar 20, 2023 | 07:12 PM
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Originally Posted by HeyYou
Have the service manual for your truck? If not, get one here. Wiring diagrams are in section 8W.
I can’t get the links to open from the post. It says to notify a moderator if links don’t work
 
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Old Mar 20, 2023 | 07:41 PM
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Originally Posted by HeyYou
Have the service manual for your truck? If not, get one here. Wiring diagrams are in section 8W.
ok I got to the manual and I found the plug I’m looking for, but it says there’s only 2 pins. Is there another plug with 3? I don’t see a different plug with only two
 
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Old Mar 20, 2023 | 08:50 PM
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Are you looking on the truck side, or the seat side?
 
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Old Mar 20, 2023 | 10:34 PM
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Originally Posted by HeyYou
Are you looking on the truck side, or the seat side?
truck as far as I can tell
 
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Old Mar 21, 2023 | 08:24 AM
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Ok, the connector shows a dark blue/white wire, and a light green/red wire are for the switch sense.
 
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Old Mar 21, 2023 | 11:38 AM
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Originally Posted by HeyYou
Ok, the connector shows a dark blue/white wire, and a light green/red wire are for the switch sense.


this is the only plug I could find that is attached to the truck wiring harness. It has 4 pins

edit: I found the plug, I was looking at the pictures I sent in the thread and saw a little wire and a plug. Not sure what this 4 pin plug does but that little one is definitely the plug I was looking for, thanks HeyYou
 

Last edited by CheeseWheel; Mar 21, 2023 at 02:01 PM.
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Old Mar 21, 2023 | 05:09 PM
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4 pin may be for power seats, whether you had them or not.
 
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Old Mar 21, 2023 | 05:11 PM
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Originally Posted by HeyYou
4 pin may be for power seats, whether you had them or not.
that was what I was thinking and would make sense
 
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