hotwrench500 Posted August 11, 2012 Share Posted August 11, 2012 Hi, my friend has a 93 ch613, it is stalling intermittently while engine braking. Additionally it will not start intermittently, but cycling the key from off to run 3-4 times and it fires up normally. have replaced wires for engine brake solenoids (internal and external), power up solenoid, shut-down relay and engine brake relay. Found no codes, current or history. So I am looking for a place to buy a 12ms45m5 bosch module for it. Im not sure it is the problem but don't know what else to try. Thanks. Quote Link to comment https://www.bigmacktrucks.com/topic/26749-93-ch613-bosch-module/ Share on other sites More sharing options...
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