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2000 Chevy Tracker No Crank, very intermittent

406 views 4 replies 4 participants last post by  Tonysal123  
#1 · (Edited)
Good Day Group, 2000 Tracker, Auto Trans, 4 door, 4WD, 76k miles. Runs great, but:


very intermittent (like once a month) no crank issue, after driving say 1 hour, leave the car off for 10-15mins, come back & car will not start- keys turns to start, but the starter won’t engage, all dash lights, radio fans okay. brand new battery, and just replace the starter. Since this is a very intermittent issue, all seemed fine for about a month, then out of the blue same issue. Seems to only happen when car is driven on a hot day, left to sit for 10-15mins. The electrical schematic is pretty simple, once turned - key power via the ignition switch to a transmission safety switch, then directly to the starter solenoid. Since battery replaced & new starter, only the safety switch & ignition switch remain.
Last time this happened, I left the key in the Start position a few seconds longer than normal, and it started. Prior to this, I would turn the key back to the On position after the Starter didn’t engage in the STARt position, like you would normally do after the car starts.

I have read every post here regarding this similar issue, trying to get as much information as possible.
 
#4 ·
trying to get as much information as possible.
This may be more information than you want. Chevy calls the connector for the ignition switch C203 and they label the pins differently than Suzuki.
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C203 is located in the middle of the junction panel.

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If you want to go through the trouble, you could back-probe a temporary switch between pins 5 and 7. Then next time the starter won't crank, close the temp switch momentarily. If it cranks you have a bad ignition switch.