Buick Repair Questions? Ask a Mechanic for Answers ASAP
do you have a multi meter on hand ?
if you put your fingers on the starter relay do you feel it click with your fingers every time some one holds the key to crank position ?
can you see if the small purple wire at the starter solenoid shows 12 volts at it when you hold the key to crank ?
are the connections at the starter clean and tight ?
usually if the solenoid will click when you hold the key to crank that purple wire should show some volts
can you double check
at the relay if you pull out the relay with the key OFF does one terminal that the relay plugs into show 12 volts all the time ?
on the relay are there little numbers ?
does one say 30 and one say 87 ?
with the key ON if you jump terminals 30 to 87 will it crank over ?
using a big wire or paper clip to jump those 2 terminals ?
ok and the car will run and idle ?
with the key ON is the check engine light lit up in the dash ?
if you can jump the starter solenoid and it will crank over but with the ignition key ON it will start up and then shut right off it seems like there is a theft lock issue with it not reading the key correctly
if you do this will it start up ?
IMPORTANT: Do not remove the key from the ignition during this procedure. If the key is removed, the procedure will have to be performed from the beginning.
IMPORTANT: The vehicle learns the Passlock(TM) Sensor Data Code and/or password ***** the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.
Hi Im David. Lets try this. when trying to start the car, does the red security light go out?
checking in to see how its going