tarp199 Posted March 11, 2021 Share Posted March 11, 2021 I replaced the starting batteries and screwed up and went to put the control wires on in reverse and it sparked. Now i an getting a check engine light and and an engine comm failure message, I am guessing a blown fuse but I can't find it, Any ideas? Thanks for your help Ralph 09 Monaco Knight Link to comment Share on other sites More sharing options...
Dr4Film Posted March 11, 2021 Share Posted March 11, 2021 Hopefully you didn't damage or destroy the Engine Control Module. Sorry, can't help you with fuses as these coaches are like snowflakes. Hopefully someone with the same coach will chime in and help out with fuse location. Link to comment Share on other sites More sharing options...
Ivan K Posted March 11, 2021 Share Posted March 11, 2021 Just a shot in the dark but ours has an inline fuse on the battery wire. Might be worth checking for. Hope for the best... Link to comment Share on other sites More sharing options...
Gary M Posted March 11, 2021 Share Posted March 11, 2021 My schematic shows two positive connections to ECM with 30 amp fuses in rear distribution. Link to comment Share on other sites More sharing options...
USMC E-5 Posted March 12, 2021 Share Posted March 12, 2021 Had a failure warning flash on dash while under way and 30 seconds later had a complete engine failure. In rear big boy box in top leftcorner a green colored plastic junction block w/8 white ground wires 1 was loose and thats what caused engine failure w/no crank start failure. Link to comment Share on other sites More sharing options...
tarp199 Posted March 12, 2021 Author Share Posted March 12, 2021 On 3/11/2021 at 4:39 PM, Gary M said: My schematic shows two positive connections to ECM with 30 amp fuses in rear distribution. Gary, thanks That was what I needed. Found 2 blown 30 amp mini fuses replaced and running great Much Appreciated Link to comment Share on other sites More sharing options...
Gary M Posted March 13, 2021 Share Posted March 13, 2021 4 hours ago, tarp199 said: Gary, thanks That was what I needed. Found 2 blown 30 amp mini fuses replaced and running great Much Appreciated Fantastic!!!!! Link to comment Share on other sites More sharing options...
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