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Brake Light Switch
Fits 41-45 MB, GPW

Part # 637417

Replacement Brake Light Switch (for original male terminals)

Original style male terminal brake light switch. Screws directly into front of master cylinder at the outlet bolt.

Fits:
41-45 MB
41-45 GPW

Part # Price
637417

$16.99

MSRP:

$16.99

MSRP:

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Does this part use a standard yellow crimp on wire sleeve to connect to the two probes or something else? They don't seem to attach well an I hate to crimp it on too tight if it uses something else. The previous switch I am replacing is your item # 931216. It has a very different type of connector. Thanks

Willys Jeep Parts Tech:
You need the original female terminal to use. Email mike@Kaiserwillys.com

Hi, will this switch work on both 6v and 12v systems

Willys Jeep Parts Tech:
Yes, that is correct. It is just a pressure switch.

I have a 1946 CJ2A. After a brake application, the brake lights stay on. So, I've replace the brake light switch (637417) a couple times which didn't fix the problem. I then just recently replaced the master cylinder and I have the same issue. If I crack one of the 4 bleeders on any wheel, the brake lights go off. Any idea's?

Willys Jeep Parts Tech:
A bit odd. I would check your free pedal travel on your brake pedal.

Does this part 637417 have the same thread dimensions as 647801 for CJ2A?

Willys Jeep Parts Tech:
Yes, that is correct.
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