Mario G Posted December 16, 2022 Share Posted December 16, 2022 2020 Mack GR 64f Heated Mirrors Inoperative. No fuse or relay in fuse panel. Any suggestions would be appreciated. Thanks. Quote Link to comment https://www.bigmacktrucks.com/topic/70881-mariog/ Share on other sites More sharing options...
tjc transport Posted December 16, 2022 Share Posted December 16, 2022 have you checked for power into and out of the switch? Quote when you are up to your armpits in alligators, it is hard to remember you only came in to drain the swamp.. Link to comment https://www.bigmacktrucks.com/topic/70881-mariog/#findComment-518462 Share on other sites More sharing options...
Mackpro Posted December 18, 2022 Share Posted December 18, 2022 The new interior GR, AN and PI’s use a door control panel that is actually a ECM . You can actually flash out a fault code on the control panel . Quality was horrible on the first couple of years and I believe Mack changed supplier and quality improved. On one of our Anthem’s we changed the drivers side DCP 3 times . Lucky we have the extended chassis warranty on all our trucks. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/70881-mariog/#findComment-518584 Share on other sites More sharing options...
Mario G Posted December 19, 2022 Author Share Posted December 19, 2022 Ok, thanks for the input! Quote Link to comment https://www.bigmacktrucks.com/topic/70881-mariog/#findComment-518649 Share on other sites More sharing options...
Mackpro Posted December 19, 2022 Share Posted December 19, 2022 1 hour ago, Mario G said: Ok, thanks for the input! Message me your email and I can send you the bulletin and troubleshooting 1 Quote Link to comment https://www.bigmacktrucks.com/topic/70881-mariog/#findComment-518657 Share on other sites More sharing options...
Mackpro Posted December 19, 2022 Share Posted December 19, 2022 I sent you an email . After looking at the wiring diagram it doesn’t show the power and relay . The Mack/Volvo diagrams are horrible as they don’t show the complete circuit on one page. I’ll do some more looking Quote Link to comment https://www.bigmacktrucks.com/topic/70881-mariog/#findComment-518680 Share on other sites More sharing options...
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