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Chevrolet Repair/2003 suburban won't start

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Question
Hello,  I have a 2003 suburban with some issues. I can start it and drive it for awhile then shut it off and it won't start back.  dinger and lights come on turn key and nothing. Not even a sound. Wait about 20min or so and it starts runs fine until I shut it off again. I don't know what to try. Please help. (Has a new battery) Also speedometer gets stuck at different positions and some cluster lights not working. (Gear indicator and gauges on right side of cluster)  Thanks for any help you can give me.

Answer
HI JEFF, WELL THIS COULD BE A IGNITION SWITCH PROBLEM. BUT YOU WILL NEED TO DIAGNOSE THIS FIRST.
WHEN THIS WILL NOT START YOU WILL NEED TO GET UNDER THE TRUCK ON THE PASS SIDE AND JUMP THE STARTER.. DO  YOU HAVE A VOLT METER ??? IF SO CK FOR 12 VOLTS ON THE BIG CABLE GOING TO THE CENTER POST OF STARTER. IF YOU HAVE 12 VOLTS HERE, JUMP THE SMALL WIRE ON THE SOLENOID [PURPLE WIRE] TO THE BIG WIRE THAT YOU CHECKED FOR POWER AT. THIS SHOULD START THE STARTER CRANKING,IF NOT THE STARTER IS BAD AS LONG AS YOU HAVE 12 VOLTS ON THE BIG CABLE [CENTER POST]..IF YOU DO NOT HAVE A VOLT METER JUST JUMP IT AND SEE WHAT HAPPENS. IF IT CRANKS LIKE THIS, THE STARTER IS OK. IF NOT FAULTY STARTER. THIS MAY HAVE A FLAT SPOT ON THE STARTER ARMATURE..  ALSO SPEEDO AND DASH LIGHTS MAY NOT BE A PROBLEM WITH THIS, BUT,, MAYBE SOMETHING LIKE FUSE OR BCM. [BODY CONTROL MODULE] HOWEVER THIS COULD EFFECT THIS. BUT,, LETS CK THE STARTER FIRST, BEFORE WE GO DOWN THAT ROAD..LET ME KNOW WHAT HAPPENS GOOD LUCK TOM..

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TOM SHEETS

Expertise

PLEASE READ ALL OF THIS BEFORE ASKING ANY QUESTIONS. IF THIS CHEVY SECTION IS MAXED OUT.YOU CAN REACH ME IN THE OLDS/BUICK SECTION. Will answer questions from 6:00am to 10:00pm all days [EST][[[ NO DIESEL OR PAINT QUESTIONS]]] will answer all 1965 to present QUESTIONS ON ALL GM'S on mechanics of these cars. Keep in mind i am not there in person i am going on what you are telling me !! PLEASE IF ASKING A QUESTION GIVE ME AS MUCH INFO AS POSSIBLE. THE MORE THE BETTER. SUCH AS YEAR,MAKE,MODEL,ENGINE SIZE. THIS WILL HELP ME HELP YOU. I will not be able to answer all questions because of some situations that i would really need to be there and see things for myself,such as electrical issues. In many cases i would need wiring diagrams. I can also give you an estimate on what the cost would be at our repair shop as an idea to help you. Keep in mind that my answer is ONLY MY ADVICE,ck with your mechanic as well.. >> THANK YOU, TOM..

Experience

I have been a ASE certified master mechanic for over 30 years and certified IN ALL 8 CATEGORIES,[engine repair,engine performance,auto trans,manual trans,clutches,steering and suspension,brakes,electrical systems,heating and air/cond. I am also a state CERTIFIED inspector for over 30 years. I do computer work [pcm]fault codes,pcm flashing,state inspection monitor readiness,repairs on exhaust,fuel service,[injection and carburetor,] charging system problems, running issues,alignments,frame problems,tire balance,struts and of course standard and anti-lock brakes.

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nys state auto repair industry and ase group.

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N/A

Education/Credentials
high school,4 years of tech school,and many many hours of auto training with many gm classes and aftermarket training classes..

Awards and Honors
ASE MASTER TECH CERTIFIED IN ALL 8 CATEGORIES.NYS INSP LICENSE AND A/C CERTIFIED

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MANY CUSTOMERS IN OUR BUSY SHOP.

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