This truck starts when it wants. I put a new ignition switch, neutral safety switch, battery in it and it still starts sometimes and dosen't other times. I removed the starter to replace and had it tested, and it was fine. When it dosen't start I can arc of the two posts on the starter and it fires right up. I was wondering if it has a fuseable link going to the starter. I didn't see one when i pulled it but it is in there so tight and i really couldn't see. If any one has any ideas it would help.
Check the ends of the battery cable hooking to the starter and make sure it is clean also make sure the battery cable is clean inside and tight to the battery. If that is ok then change the battery cable to the starter, the positive cable. Make sure before you change the cable that the solenoid for the starter is ok, because if you can short the post out then you are getting power to the starter and the solenoid may be shorting out.
SOURCE: 1997 Chevrolet Z71 Pickup (intermittent start)
saved me the job of answering ,which would have been the same
SOURCE: 2003 Chevy Impala starting issue
Sounds like the neutral safety switch is faulty. Slamming the shifter into Park has temporarily solved the condition for some, but the switch may have to be replaced.
SOURCE: '98 s-10 won't crank and run
bad conection on starter solonid tray diferent starter or solonoid
Have you chk. the starter switch on the steering colume under dash? Or is starter drive kicking in but not engaging teeth in flexplate? If its not engaging teeth on flexplate starter needs to be shimmed, or if its missing the teeth altogether on flexplate or bearly catching the teeth, top of starter nose wear it bolts up needs to be filed down to engage the teeth on flexplate.
SOURCE: neutral safety switch
most gm nuet safety is yellow and purple .....out of ignition switch is a big yellow wire that is crank out and input to nuet saf switch......out of nuet switch is color purple that goes strieght to start selenoid.....purple wire also goes to the crank fuse 5amp.. in the fuse box under dash... this fuse goes to the pcm main computer.. same for auto and clutch
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