Wireing diagrams for ponitac firebird 88 5.0 pass code key

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It is tied into the pass-key system that disables your car as part of vehicle security. You would have to by pass the pass key system which would make it vulnerable to theft as any duplicate key or broken ignition could start the car. In my estimation if it ain;t broke don't fix it or you might wind up with an inoperable car. There is more than mechanics involved ...codes and software programmed into the bcm will disable the starter, pump and injectors.

hope it helps I suspect that you have a starting problem usually there is 2 little wires Inside column steering connect to cyllinder key are cut
you can test it at the end of steering column 2 very little yellow wire ...put key in ignition cylinder and with ohm meter take resistor value if none wire is open circuit.

wireing diagrams for ponitac firebird 88 5.0 pass code key

If code 53 involves the PASS system for your car, the chip in the key has failed, or the sensor in the lock cylinder, or the control module.
The anti-theft system disables the starter and the fuel injectors. You could bypass those circuits to get the car started.

You have a broken wire going to the ignition tumbler inside the steering column. To fix it correctly, the tumbler will need to be replaced. Probably something for the dealer, or a locksmith as the new tumbler will have to have the same resistance chip in the key as the original.

May have a fault in the VATS. Most likely the wires that come from the ignition lock are broke. That is the weak link of the VATS.
Need to measure the resistance of the pelet n your key and basically add that value of resistors to the wire for the lock cylinder at the bottom of the column where they come out.
If you do a search for "VATS bypass" you should find diagrams of how to do this. (This is mistakenly refered to a VATS bypass while it really is not a bypass. The Pass Key module always stays in play. It just bypasses the weak link in the system.)

you have to measure the resistance of the key chip then there is an orange wire coming down the steering collum cut this wire and solder a resistor with th correct ohms in between the wires inside the orange cover that will by pass the pass key system

the nain fuel pump power on mos fords was PINK or RED. But 1st check would be the anti-rollover switch (Usually up near the kickpanel). If that has tripped, pressing the reset button will restore power to the pump.

it may be the electronic key ignition part of the key ignition. try replacing that part. I had a camaro that did the same thing and that was the problem.