chevman51 Posted February 9, 2017 Share Posted February 9, 2017 Hey guys, On my 94 CH613 Mack I smell something burning when my wipers are on for a continuous time. Its a faint smell and the wipers do seem to slow down. One time they stopped all together in the middle of a rain storm and I had to turn it off and use intermittently. Is my switch bad or wiper motor bad? or other ideas? I don't want to just start throwing parts at it and not fix the problem. Thanks! Quote Link to comment https://www.bigmacktrucks.com/topic/48683-burning-smell-when-wipers-are-on/ Share on other sites More sharing options...
dogg rescue Posted February 10, 2017 Share Posted February 10, 2017 Most likely your spindles that the wiper arms mount on are rusty. It will act like the motor is failing. Quote Link to comment https://www.bigmacktrucks.com/topic/48683-burning-smell-when-wipers-are-on/#findComment-361270 Share on other sites More sharing options...
chevman51 Posted February 11, 2017 Author Share Posted February 11, 2017 Really? Can that be pulled apart and cleaned? Quote Link to comment https://www.bigmacktrucks.com/topic/48683-burning-smell-when-wipers-are-on/#findComment-361383 Share on other sites More sharing options...
dogg rescue Posted February 11, 2017 Share Posted February 11, 2017 I've pulled them apart and cleaned them, and put some grease on them. Of course you can buy them new but they aren't cheap. Quote Link to comment https://www.bigmacktrucks.com/topic/48683-burning-smell-when-wipers-are-on/#findComment-361384 Share on other sites More sharing options...
chevman51 Posted February 11, 2017 Author Share Posted February 11, 2017 Thanks! Have you ever had a switch go bad? Quote Link to comment https://www.bigmacktrucks.com/topic/48683-burning-smell-when-wipers-are-on/#findComment-361390 Share on other sites More sharing options...
41chevy Posted February 11, 2017 Share Posted February 11, 2017 3 hours ago, chevman51 said: Thanks! Have you ever had a switch go bad? If the motor or pivots bind it COULD back feed to the switch and over load the ground circuit. You can tell down at the switch connector on the column if it overheated there will be melting of the plastic. Paul. Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/48683-burning-smell-when-wipers-are-on/#findComment-361419 Share on other sites More sharing options...
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