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2000 VNL 770 Detroit Auto Heater fan stopped working, 40A heater fuse designated : MF5 40A CAB HEAT is good. Any experience or insights? Pulled dash heat/ac control sub panel, looked good. Going to pull pass side dash covers and check fan connection.
Hi. First - long time lurker first time posting. Wanted to say thanks to all who post and share insights & experiences... I have learned much. Issue: After 2+ months, our Maxxfan 4401k is inoperative & I cannot find cause. Addl info: I possess only basic troubleshooting skills. Fan switch shares wiring with bathroom light & light works (I assume it’s not a fuse issue + checked fuse box ... fuse is for all DC power in bathroom & since light works ...). When I checked the wiring the connections seemed secure (nothing loose). Tried the on/off switch on the fan itself (trying to eliminate the simple stuff), fan still inoperative. Suggestions on next troubleshooting steps appreciated ... and keep it simple if you can. Also appreciate explaination of flaws in my “logic” above. Rick