Question about 1999 GMC Suburban
40A Ignition fuse blows every time key is turned to start position
Has the stater been removed at anytime?
I had the same thing happen the fuses are not cheap.
I had replace the starter and it was the same. It was blowing the mist expensive fuse.I end up taking the starter halfway out tighten the but on the ground wiring and that fixed it.
Posted on Mar 04, 2015
Solenoid wire to starter may be shorted at starter..
Posted on Jan 21, 2013
You may have a problem with the contacts in the ignition switch (not key part), when you crank the engine a signal is sent to the fuel pump to run, when it starts and you let off the key another set of contacts keeps the pump getting power Through a relay), these are known as crank and run modes.
Posted on Aug 04, 2008
It could be either the ignition switch,clutch safety switch(if applicacle)or the starter solenoid,I'm including the circuit diagram for you,one of the 2 or three if it's manual trans has short,if the fuse is blowing as soon as you turn the key on(not engaging the starter)it will be in the switch itself or the clutch safety switch.If it happens when you go to engage the starter it's most likely the solenoid.
Posted on May 12, 2009
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