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Ask Bradley Martin Your Own Question
Bradley Martin
Bradley Martin,
Category: Medium and Heavy Trucks
Satisfied Customers: 173
Experience:  Field Technician at Thompson Tractor Company
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Mack camelback: mack1993stoplightsstayson

Customer Question

mack1993stoplightsstayson
Submitted: 7 months ago.
Category: Medium and Heavy Trucks
Expert:  VirtualWrench replied 7 months ago.
Hello,Do you know where the brake light switch is located?
Customer: replied 7 months ago.
has one under the hood, and two inside one on top of the gas pedal to the right side, the other one on top of the clutch pedal
Expert:  VirtualWrench replied 7 months ago.
Thanks,The one above the clutch pedal should be above the brake pedal.maybe check that one again.There should be one above the brake pedal. disconnect it and see if the brake lights go off and let me know please/
Customer: replied 7 months ago.
ok here we go again the brake lights stays on only when air system starts to build up.
Expert:  VirtualWrench replied 7 months ago.
Did you find the brake light switch above the brake pedal and disconnect it?
Customer: replied 7 months ago.
yes disconnect it, and still the stop lights stays on but when the truck its off leaks the air out and about 30 minutes lights goes of
Expert:  VirtualWrench replied 7 months ago.
hmm,,,i'll have to see if someone has seen this one before. If they can help, you will get an email.Good luck bud.LJ
Expert:  Bradley Martin replied 7 months ago.
You should have a pressure switch under the hood near the brake booster should be inline with an air line that is probably causing your problem disconnect it and see what happens