Transmission neutral safety switch wiring?

1999 BUICK REGAL
137,000 MILES • 3.8L • V6 • 2WD • AUTOMATIC
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DAKOTA_G04
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  • 1 POST
I have a 3800 series 2 out of a Buick regal GS that didn’t come with a neutral safety switch connected to the wiring harness, but the switch is on the transmission. How would I add the wiring to my harness?
Aug 10, 2025 at 8:55 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
Yep, I got you covered, here is the gear range sensor (neutral safety switch) wiring so you can make it happen! Check out the images (below). Let us know if you need anything else.
Aug 11, 2025 at 9:01 AM
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