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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 29585
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Have 1995 Chevy 1500 4 x 4 pickup. 5 speed manual trans.

Customer Question

have 1995 Chevy 1500 4 x 4 pickup . 5 speed manual trans . have no break light's . there is a rod that run's through the switch that SHOULD push down on a tab that closes a normal open set of open contacts and light's the break lights . with the switch installed and locked in place the break lights don't work when the break peddle is pushed . with the switch removed i can push the contacts closed and the break lights work . i tried a new replacement switch , and still have the same problem . HELP.
JA: Have you checked the brake fluid? How's the level and when was it last changed?
Customer: NO WHY ?
JA: What is the model of your '95 Chevy?
Customer: 1500 SILVER
JA: Are you fixing your vehicle yourself? What have you tried so far?
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 1 month ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 1 month ago.

Hi there, I am Cam. Sorry, the first few replies are automated to try and get some basic information.

With the switch installed, are you able to move the switch a little bit and make the lights work? I saw your comment about manually activating it, so I am wondering if there is a mis-shaped brake push rod that could be not activating it.

Also is the clip installed properly that holds it in place?

Customer: replied 1 month ago.
clip is installed properly by mechanic . didn't try moving the switch . only 125000 miles on truck . could push rod be flatspoted ?
Expert:  GM Tech (Cam) replied 1 month ago.

It could be that the push rod is worn a bit. Do you know if the booster was ever replaced?

Expert:  GM Tech (Cam) replied 1 month ago.

I have seen a combination of both a bad/worn switch AND mis-shaped push rod causing this sort of issue.

Customer: replied 1 month ago.
just replaced the booster
Expert:  GM Tech (Cam) replied 1 month ago.

Bingo, the rod is not the proper shape, you need to get them to replace it due to the issue, it should be warranty.

Customer: replied 1 month ago.
ok, used booster. i'll get them to replace it
Expert:  GM Tech (Cam) replied 1 month ago.

Sounds like a plan. Let me know how it goes.

Customer: replied 1 month ago.
ok thanks