Kwdriver84 Posted January 14, 2020 Share Posted January 14, 2020 Good afternoon fellas. I have a 97 mack 613 V-Mac 2. I was going down the road and truck suddenly shut down and won’t crack anymore. Had to call the tow man to the house. The codes I get is 7-5 and 5-7 is there anyone out here that can help me out. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/60550-5-7-and-7-5-mack-codes/ Share on other sites More sharing options...
Midland Oilfield Posted January 17, 2020 Share Posted January 17, 2020 If that's on the blink codes then 5-7 is the engine oil level and 7-5 is Battery/Alternator voltage. Batteries could be bad or your alternator could be going out. And the oil level could be low or the sensor could be going bad. Quote Link to comment https://www.bigmacktrucks.com/topic/60550-5-7-and-7-5-mack-codes/#findComment-440607 Share on other sites More sharing options...
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