Genie S60 Ford LRG 425 I starter unreliable. suspect start module. Get starter input #3, starter drops out, starter output #1 light goes out. Installed new start module, no help. What is the function of the start module? Sometimes starter will hit for a second or two then drop out. Sometimes nothing happens. Once in a while, it starts
Funky grounds somewhere? not familiar with the machine or engine just throwing stuff out there based on symptom. pic or diagram might help
need more info , could be just a bad starter or starter solonoid or starter relay .
Ignition start module terminals 1-10 1= Output to starter relay enable (CR1 terminal 86) 2= Input, Tach signal input (this is read in Hertz, signal is produced by the alternator) 3= Input, Start Toggle switch 4= Input, Aux pump toggle switch (power on this terminal will cut power to terminal 9) 5= Ground (should have less than 1Ω to battery negative) 6= Input, Battery voltage (from CB1) 7= Input, Battery voltage (key switch power, TB23) 8= blank 9= Output to Ignition relay (CR2 terminal 86) 10= Input, Fault detection (will receive a ground from oil pressure and/or coolant temp sensor. circuit is ignored for 5 seconds after starting engine) *Note: Power inputs must remain above 10.5vdc while cranking engine HERE IS A LINK TO GENIE TECH TIP FOR ISM issues: https://www.genielift.com/docs/defa...oms/no-start-ism-models.pdf?sfvrsn=a40a768a_2