Dorman 645-685 switch for the 2004-2018 Ford F-150 and other vehicles replaces the door ajar switch pigtail. This Dorman door jamb switch connector is a two-wire pigtail that splices in when the original is missing or has worn out.
- Two-wire pigtail in 12 gauge
- Female spade terminal
- Tin brass terminal material
- Tube length of 11 in
Quick facts
- Part: Dorman 645-685 switch
- Fits: 2004-2018 Ford F-150 and other vehicles
- Material: tin brass terminal
- Condition: New
A door ajar light that stays on, a dome light that acts up, or a loose, broken or corroded connector at the door jamb can mean the pigtail needs replacing. A faulty door latch, the jamb switch itself or damaged wiring can be behind these signs too, so find the cause before you buy.
Fits
The 2004-2018 Ford F-150, the 2011-2017 Ford Mustang and the 2015-2017 Ford Focus are among the vehicles it fits, along with many other Ford, Lincoln and Mercury models. Open the "Vehicles it fits" section to check your exact model and engine. It is designed to match the look and function of the original hardware on the vehicles it fits. A 2004-2018 Ford F-150 takes one.
Specifications
Fit and size
- Quantity per vehicle: 1
- Tube length: 11 in
- Wire gauge: 12
- Number of wires: 2
Build and materials
- Terminal type: spade, female
- Terminal material: tin brass
- Condition: New
- Country of origin: Taiwan
In the box
One pigtail and two butt connectors.
Interchange: S-1786
1P2390 · PT1289 · EC1286 · 3U2Z14S411RPB · 3U2Z14S411RPC · 1758
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
1P2390, PT1289, EC1286, 3U2Z14S411RPB, 3U2Z14S411RPC, S-1786, 1758
Frequently Asked Questions
Will this Mustang switch fit a 2011-2017 Ford Mustang?
Yes. Dorman 645-685 fits the 2011-2017 Ford Mustang. Open the "Vehicles it fits" section to check other model years and engines.
Is this Focus switch the right one for the 2015-2017 Ford Focus?
Yes. Dorman 645-685 fits the 2015-2017 Ford Focus, and the vehicle takes one.
Are butt connectors included with this switch?
Yes. The package holds one pigtail and two butt connectors.
Is the terminal on this switch male or female?
Female. It is a spade-type terminal made of tin brass, on a pigtail with two 12-gauge wires.
How can I check whether the connector on this switch has gone bad?
With the engine off, look at the connector at the door jamb for cracks, loose terminals or corrosion. A door ajar light that stays on or a dome light that acts up can be signs.
