2001 Chrysler Concorde Concorde wont fire up

Tiny
MIKEDOLLAR
  • MEMBER
  • 2001 CHRYSLER CONCORDE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 160,000 MILES
Went to start car and it acted like batter is dead but all interior lights heater headlights work. Went to get a new battery to think the old one was low enough to not generate enough spark. Same status as before. The car has a low volume hum after you turn the key to the start position and stays on even when the key is turned off and pulled out. Only disconnecting the positive terminal stops the hum each time this process is repeated. What do I need to do to accurately check this out take it to a dealer or a local repair shop?
Tuesday, October 20th, 2009 AT 9:47 AM

7 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Welcome to the forum, are you saying it cranks good but won't start or it won't even crank? If it cranks good but won't start, have a helper crank it while you check for spark at the plugs. If you have spark everywhere, check fuel pressure.
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Tuesday, October 20th, 2009 AT 9:53 AM
Tiny
MIKEDOLLAR
  • MEMBER
  • 4 POSTS
Wont make a sound of cranking. It acts like the car has the battery pulled out of it. The only noise it makes is a low volume hum under the hood of the car. If the fuel pump was out I would still think it would try to turn over.
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Tuesday, October 20th, 2009 AT 10:00 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
I'd make sure the battery has a full charge and the connections are good. Next, I'd check the circuits at the starter relay in the power distribution center under the hood. You can unplug relay, use testlite, how many hot terminals, key in crank position, should be two?
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Tuesday, October 20th, 2009 AT 10:43 AM
Tiny
MIKEDOLLAR
  • MEMBER
  • 4 POSTS
I'm not a mechanic where is a better place to do this analysis. A local fix it shop or a dealer?
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Tuesday, October 20th, 2009 AT 10:48 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Your local shop should be able to track it down? I don't have anything against dealerships, either. Your decision.
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Tuesday, October 20th, 2009 AT 11:08 AM
Tiny
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  • MEMBER
  • 4 POSTS
Can a dealer diagnose it any further than a local shop? Or what might be the questions to ask to find out if they have the same type of scanning equipment etc. For this particular issue. I'm hoping it's not the brain of the car but if the lights all work ac/heater etc. I'm thinking the brain would run that too.
Thoughts?

I appreciate your feedback so far!
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Tuesday, October 20th, 2009 AT 11:26 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
A dealership might have access to more factory info than an independent? You can call and ask their labor rates, what they charge for diagnostics.
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Tuesday, October 20th, 2009 AT 11:47 AM

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