johnsmack Posted November 19, 2015 Share Posted November 19, 2015 2005 mack with 18 speed and full lockers. The 2 switches on the dash are push button with a light. When locking the rears the lights on the switch won't light up but the lockers are working. Without the light how do I know when the axels are not locked together. Or what is the proper way to engage and disengage the axel lockers? The power divider does work, the light on the dash works for it. any help? thanks. Quote Link to comment Share on other sites More sharing options...
Challenger Posted November 19, 2015 Share Posted November 19, 2015 You need the light or know which position the switch is in. Is the switch a rocker switch with different positions? If they are locked in, you should be able to feel it when turning left or right. Get the lights working. You have enough on your mind while driving, you dont need to worry about axles being locked. Quote Link to comment Share on other sites More sharing options...
Back In Black Pulling Posted November 19, 2015 Share Posted November 19, 2015 In the off brands at work the light does not come on when u flip the switch, only when you turn or spin a little then axle is locked.Turn switch off the light stays on until you drive strait for a little.Does Mack work same way? Quote Link to comment Share on other sites More sharing options...
johnsmack Posted November 20, 2015 Author Share Posted November 20, 2015 the switch is a push button so no way to tell on or off. we are going to to find out why the light on the switch doesn't work. I tried a new switch and the light didn't work but I could hear the locker working. Quote Link to comment Share on other sites More sharing options...
Dieselwrenches Posted November 20, 2015 Share Posted November 20, 2015 The light only comes on based off sensor on rear end when sensing engaged. If sensor is bad or connector/wiring then it won't light when engaged. Quote Link to comment Share on other sites More sharing options...
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