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LynnB
03-21-2016, 12:35 PM
I have 57 bel air with adjustable mechanical brake light switch. The mechanic has adjusted this on 3 different occasions. The problem is the lights most of the time do not go out when the brake pedal is released. I need help.

markm
03-21-2016, 12:47 PM
It is either not adjusted right or you need a new switch.

chevynut
03-21-2016, 01:17 PM
It's possible that your brake pedal return spring is missing or broken, causing the pedal to not return to the top. It's up at the brake pivot. It looks like this and is available from tri5 part suppliers:

http://htsmall.classicchevy.com/assets/cci/images/size/265x265/sku/20-96.jpg

Bihili
03-22-2016, 06:21 PM
http://www.55-57chevys.com/tech/57/5-1.gif

mech393
12-10-2016, 11:19 AM
if that return spring is weak or there's some sticking at the pivot points and the pedal lays on the switch I would look at that before throwing parts at it.