EAWheat Posted January 8, 2009 Share Posted January 8, 2009 Hello,I have a 64 B61T and the brake lights have stopped working. Does anone know where to look for the brake light switch?Thanks,Eric Quote Link to comment https://www.bigmacktrucks.com/topic/7890-b61-stop-light-switch/ Share on other sites More sharing options...
1957B61Vt Posted January 8, 2009 Share Posted January 8, 2009 Hello,I have a 64 B61T and the brake lights have stopped working. Does anone know where to look for the brake light switch?Thanks,EricHi Eric my stop light switch is on the inside of the drivers side frame rail behind the cab it has 2 wires going into the top mine has a plastic top on it that looks like it comes off but I never took it apart mine was a broken wire. mine is a 1957 B61 I don't know if all used the same switch or not hope this helps . Quote Link to comment https://www.bigmacktrucks.com/topic/7890-b61-stop-light-switch/#findComment-28812 Share on other sites More sharing options...
theakerstwo Posted January 8, 2009 Share Posted January 8, 2009 I dont remenber but look on the foot brake valve. Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/7890-b61-stop-light-switch/#findComment-28830 Share on other sites More sharing options...
Freightrain Posted January 8, 2009 Share Posted January 8, 2009 Mines on the frame, under drivers corner of cab. Shouldn't be too hard to come up with one as probably the same as used today?Check to see if wires are broke at switch before replacing it. Touch them together and see if lights work. Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment https://www.bigmacktrucks.com/topic/7890-b61-stop-light-switch/#findComment-28832 Share on other sites More sharing options...
Packer Posted January 8, 2009 Share Posted January 8, 2009 My B-61 has the switch on the manifold for the air lines to the trailer.It's right behind the cab.Packer Quote Keep a clutchin' Link to comment https://www.bigmacktrucks.com/topic/7890-b61-stop-light-switch/#findComment-28836 Share on other sites More sharing options...
vanscottbuilders Posted January 8, 2009 Share Posted January 8, 2009 The brake light switches that have the removeable top aretypically rebuildable. It's just a diaphragm that contacts twoposts to complete the circuit when air pressure causes the movement.Rebuilding them is cheaper than buying new. Quote Link to comment https://www.bigmacktrucks.com/topic/7890-b61-stop-light-switch/#findComment-28838 Share on other sites More sharing options...
EAWheat Posted January 14, 2009 Author Share Posted January 14, 2009 Hello,I had a chance to look at the wiring on my truck over the weekend. My brake light switch has two wires and is connected to some copper tubing that comes out of the brake treadle. The switch is on the left frame rail behind the cab. I had a broken wire, it works fine now. Thanks for your help!Eric Quote Link to comment https://www.bigmacktrucks.com/topic/7890-b61-stop-light-switch/#findComment-29147 Share on other sites More sharing options...
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