1995 Chevrolet Z71
I've got a 1995 Z71 that is doing strange stuff. It
wouldn't start the other day. I took the battery off
and got it tested. It tested good. Put it back on the
truck and it started. Killed it. Tried to start it again,
it wouldn't start. Click but not start. Unhooked the
battery and hooked it back up. It started. Unhooked
the battery and hooked it back up, it started. Did
this several times. Same outcome. Got a new
starter. Same outcome. What's going on?
Test the small wire on the solenoid when you turn the key to crank, you should see battery voltage, if you don't there could be a weak circuit that can't carry the load, or a ignition switch that won't make good connection, battery cables and terminals are another soft spot, just a little of that black corrosion and nothing happens, and if it gets inside the cables then you voltage drops like crazy.
New cables...they deteriorate but quick~
So by unhooking the battery cables and hooking them back up would make it start? If it was a bad cable or bad wire that would make a difference if it was a bad wire or cable? Just asking the question. Looks to me if it was a bad wire or cable, unhooking it and hooking back up shouldn't make a difference?
Yes it can especially if there is corrosion involved.
Do a voltage drop test on the starter circuit. simple, done.
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