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Brake Light Switch
Fits 46-66 Jeep & Willys

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Brake Light Switch
Fits 46-66 Jeep & Willys
Replacement Brake Light Switch (for original female terminals)

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

Fits:
46-49 CJ-2A
49-53 CJ-3A
53-64 CJ-3B
55-66 CJ-5
50-52 M38
52-66 M38A1
46-64 Truck
46-64 Station Wagon
48-51 Jeepster
Item # Price
647801
$16.49

Availability: In stock

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Questions: I just purchased a new master cylinder from Kaiser Willy for a 1958 Willies Jeep. But the Brake Light Switch I have does not fit (switch fitting is way smaller than whats required for the master cylinder. Does the brake light switch listed above (BRAKE LIGHT SWITCH FITS 46-66 JEEP & WILLYS) mate directly to the master cylinder, or is an adapter required? Thanks. TJJ
Question By: Tom J on Feb 8 2014 12:00 AM
The master cylinder and brake light switch are both correct. Sounds like you are missing the outlet bolt part number: 637605.
Answer By: Willys Tech on Feb 10 2014 12:00 AM
Questions: will the brake fluid leak out when I unscrew the switch to replace it?
Question By: Gene on Aug 18 2012 12:00 AM
Yes that is correct. You will need to rebleed the brakes.
Answer By: Willys Tech on Aug 20 2012 12:00 AM
Questions: Do you sell the male wire terminals for this and what is the part #.
Question By: bob on Jul 10 2012 12:00 AM
That is a local NAPA item and common. We do sell complete wiring harnesses that are all preterminated.
Answer By: Willys Tech on Jul 11 2012 12:00 AM
Questions: Where can I get a new connector for my brake light switch?
Question By: Eric on Mar 15 2012 12:00 AM
This is just simple male terminals. Any local autoparts store will have them.
Answer By: Willys Tech on Mar 15 2012 12:00 AM
Questions: Will this switch work with a 12-volt system?
Question By: Rick on Jan 1 1970 12:00 AM
Yes it will work great!
Answer By: Willys Tech on Sep 6 2011 12:00 AM
Questions: what connects to the electrical end of this switch?
Question By: Matt on Jun 2 2011 12:00 AM
Your original male terminals.
Answer By: Willys Tech on Jun 3 2011 12:00 AM
Questions: Do you have the switch that is mounted at the brake pedal?
Question By: Kevin on Feb 14 2015 12:00 AM
There never originally was any switch mounted at the brake pedal.
Answer By: Willys Tech on Feb 16 2015 12:00 AM
Questions: I just replaced the master cylinder & brake light switch. The male plug in side of my brake light switch is smaller how can I get some larger connectors to fit onto my wiring to fit this switch.
Question By: Jan on May 12 2014 12:00 AM
This switch is just like original so you had an unoriginal one in there if its any different and you had one of the vehicles listed above. Good news is that is a common NAPA item for the wiring connectors.
Answer By: Willys Tech on May 13 2014 12:00 AM
Questions: I just purchased a new master cylinder from Kaiser Willy for a 1958 Willies Jeep. But the Brake Light Switch I have does not fit (switch fitting is way smaller than whats required for the master cylinder. Does the brake light switch listed above (BRAKE LIGHT SWITCH FITS 46-66 JEEP & WILLYS) mate directly to the master cylinder, or is an adapter required? Thanks. TJJ
Question By: Tom J on Feb 8 2014 12:00 AM
The master cylinder and brake light switch are both correct. Sounds like you are missing the outlet bolt part number: 637605.
Answer By: Willys Tech on Feb 10 2014 12:00 AM
Questions: I've replaced the master cylinder and the brake lights do not function. I'm guessing I installed this switch incorrectly (on the new cylinder without any fluid). What is the correct proceedure?
Question By: Anonymous on Jul 17 2013 12:00 AM
It is a pressure switch so it will need fluid and your brakes bled to work properly.
Answer By: Willys Tech on Jul 17 2013 12:00 AM
Questions: will the brake fluid leak out when I unscrew the switch to replace it?
Question By: Gene on Aug 18 2012 12:00 AM
Yes that is correct. You will need to rebleed the brakes.
Answer By: Willys Tech on Aug 20 2012 12:00 AM
Questions: Does the switch come with the little retainer clips to hold the male connector in to the female fitting?
Question By: Frank on Aug 3 2012 12:00 AM
The retainer clips are a local NAPA item.
Answer By: Willys Tech on Aug 6 2012 12:00 AM
Questions: Do you sell the male wire terminals for this and what is the part #.
Question By: bob on Jul 10 2012 12:00 AM
That is a local NAPA item and common. We do sell complete wiring harnesses that are all preterminated.
Answer By: Willys Tech on Jul 11 2012 12:00 AM
Questions: will this brake light switch work on a 1953m38a1 with the original 24v system. thanks joe
Question By: joe on Jul 5 2012 12:00 AM
Yes this will be the correct one.
Answer By: Willys Tech on Jul 9 2012 12:00 AM
Questions: Where can I get a new connector for my brake light switch?
Question By: Eric on Mar 15 2012 12:00 AM
This is just simple male terminals. Any local autoparts store will have them.
Answer By: Willys Tech on Mar 15 2012 12:00 AM
Questions: Will this switch work with a 12-volt system?
Question By: Rick on Jan 1 1970 12:00 AM
Yes it will work great!
Answer By: Willys Tech on Sep 6 2011 12:00 AM
Questions: what connects to the electrical end of this switch?
Question By: Matt on Jun 2 2011 12:00 AM
Your original male terminals.
Answer By: Willys Tech on Jun 3 2011 12:00 AM