Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
the engine will crank over physically but not fire up ?
was the ignition switch and tumbler replaced to correct this issue or this issue started after ?
with the key ON is the check engine light lit up in the dash ?
if it is when holding the key to crank position do you feel the starter relay click everytime the key is held to crank ?
is there 12 volts at the fuse called crank in the under hood fuse box on both sides of that fuse testing it in place through the little openings in the tops of that fuse everytime the key is held to crank position ?
can you be sure the fuse called INGA in the under hood fuse box is good it is a big 40 amp fuse and also be sure it shows 12 volts on both sides of it testing it in place through the little openings in the tops of that fuse
at the ignition switch does the red wires show 12 volts ta the switch?
are you sure then switch is in correctly ?
where the gears are aligned on the wheel correctly on the switch to the lock cylinders gears ?
if you pop out the ignition switch and leave the key ON and switch plugged in electrically can you turn the wheel on the switch by hand and get it to crank over ?
that would not cause a no cranking issue
when holding the key to crank will it show 12 volts out the yellow wire of the ignition switch ?
and the reds show 12 volts into the switch ?
the switch is supposed to switch power out the yellow from the red when its held to crank position
as seen here for the electrical systematic
the bigger yellow off the switch
if you jump the red wire to the yellow will the engine crank over ?
ok now does it have volts at the crank fuse in the underhood fuse box ?
so when you jump the red at the ignition switch to the yellow with the key ON the truck will crank over and start up ?
hi I am Jesse. I have a couple of questions. 1 does the security lamp either come on and flash or come on solid when you attempt to start truck? 2 does the ip display that truck is in park when you turn key on?