dark knight Posted December 3 Share Posted December 3 I have an issue with my reverse lights. its an mdrive. When I put it in reverse the R briefly shows on the cluster then goes away, and at the same time the reverse lights come on in the back of the truck briefly as well. I can hear the relays click behind the cluster when I engage reverse. HELP! Quote Link to comment https://www.bigmacktrucks.com/topic/76201-no-reverse-lights/ Share on other sites More sharing options...
mowerman Posted December 4 Share Posted December 4 sorry i cant help,,,too new im suprized you havent got an answer good luck and welcome to BMT,,bob Quote Link to comment https://www.bigmacktrucks.com/topic/76201-no-reverse-lights/#findComment-586508 Share on other sites More sharing options...
Joey Mack Posted December 4 Share Posted December 4 Bob.... its an M-Drive... a total P.O.S. tranny controlled by a total P.O.S. ..... T.C.M. controlled by a total P.O.S. .... E.C.M. , and built by Volvo, who has ruined the MACK brand... thoughts???? 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76201-no-reverse-lights/#findComment-586509 Share on other sites More sharing options...
mowerman Posted December 4 Share Posted December 4 Lmao yes I think I’ve heard you mention that at time of two I really don’t know anything about those things with too much electrics. I suppose it could probably be many things. I wouldn’t even know where to start. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76201-no-reverse-lights/#findComment-586512 Share on other sites More sharing options...
Joey Mack Posted December 4 Share Posted December 4 Yes Bob.. it could be a chaffed wire, it could be the touch pad, it could be the top cover on the tranny, it could be the TCM, ... of course if I stayed at Mack the last 10 years, i would be a guru with the answer.. I hurt in my heart for guys that own these P.O.S. trucks.. they just want to go to work..... 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76201-no-reverse-lights/#findComment-586513 Share on other sites More sharing options...
mowerman Posted December 4 Share Posted December 4 Yes I get it … well the do it yourself has gone by with these things 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76201-no-reverse-lights/#findComment-586521 Share on other sites More sharing options...
dark knight Posted 3 hours ago Author Share Posted 3 hours ago I guess it fixed itself. it seems to be working now haha Quote Link to comment https://www.bigmacktrucks.com/topic/76201-no-reverse-lights/#findComment-587306 Share on other sites More sharing options...
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