Outbehindthebarn Posted August 8, 2015 Share Posted August 8, 2015 The wires leading to it are both carrying 12 volts. Wires disappear into harness. The numbers on it are illegible. One air line runs to the air gauge the other runs to a big air valve thingy under the floor boards. I broke it hunting for my low air buzzer... (which I don't believe I have) Quote Fun is what they fine you for!My name is Bob Buckman sir,. . . and I hate truckers. Link to comment https://www.bigmacktrucks.com/topic/41291-what-is-this/ Share on other sites More sharing options...
MackMack613 Posted August 9, 2015 Share Posted August 9, 2015 What kind of truck you have Quote Link to comment https://www.bigmacktrucks.com/topic/41291-what-is-this/#findComment-299473 Share on other sites More sharing options...
Outbehindthebarn Posted August 9, 2015 Author Share Posted August 9, 2015 What kind of truck you have1980 superliner Quote Fun is what they fine you for!My name is Bob Buckman sir,. . . and I hate truckers. Link to comment https://www.bigmacktrucks.com/topic/41291-what-is-this/#findComment-299491 Share on other sites More sharing options...
mrsmackpaul Posted August 9, 2015 Share Posted August 9, 2015 dunno I might need a few hints what are we looking at as what part of the truck ????Paul Quote Link to comment https://www.bigmacktrucks.com/topic/41291-what-is-this/#findComment-299494 Share on other sites More sharing options...
220cummins Posted August 9, 2015 Share Posted August 9, 2015 Looks like a low pressure or applied switch. Quote Link to comment https://www.bigmacktrucks.com/topic/41291-what-is-this/#findComment-299504 Share on other sites More sharing options...
Outbehindthebarn Posted August 9, 2015 Author Share Posted August 9, 2015 dunno I might need a few hints what are we looking at as what part of the truck ????PaulIt is directly 'up' from accelerator pedal. There is a permanent air fixture that leads through the firewall.... I can't understand the wires both carrying 12 volts with the key on.... Quote Fun is what they fine you for!My name is Bob Buckman sir,. . . and I hate truckers. Link to comment https://www.bigmacktrucks.com/topic/41291-what-is-this/#findComment-299509 Share on other sites More sharing options...
carlotpilot Posted August 9, 2015 Share Posted August 9, 2015 pto on warning light ? low air light and buzzer ? check with air up see if elec conn. goes away Quote Link to comment https://www.bigmacktrucks.com/topic/41291-what-is-this/#findComment-299516 Share on other sites More sharing options...
terry Posted August 9, 2015 Share Posted August 9, 2015 I would say low air or brake light switch 1 Quote Link to comment https://www.bigmacktrucks.com/topic/41291-what-is-this/#findComment-299521 Share on other sites More sharing options...
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