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Duramax 2005 won't start. Horn is on permanatly and engine

Customer Question
Hi JA: Hi. What do you...
Hi
JA: Hi. What do you want help with?
Customer: Duramax 2005 won't start. Horn is on permanatly and engine won't crank
JA: Have you checked the fuel supply? And are all the spark plugs working?
Customer: It was working fine till i put it in drive while hand brake was on
JA: What is the make/model of your car?
Customer: Silverado 2500 duramax 2005
JA: Are you fixing your Silverado yourself? What have you tried so far?
Customer: Unplugged batteries
JA: Anything else you want the mechanic to know before I connect you?
Customer: Yes
Submitted: 9 months ago.Category: Chevy
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Customer reply replied 9 months ago
It also said "no powertrain dcts or freeze frame is currently stored" or something like that
Customer reply replied 9 months ago
I unplugged the batteries, tried my other key...called a little garage who brought his computer and couldn't find anything
Customer reply replied 9 months ago
I still haven't receive an answer
Customer reply replied 9 months ago
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Answered in 1 day by:
3/15/2017
Chevy Mechanic: Chris (aka-Moose), Technician replied 9 months ago
Chris (aka-Moose)
Chris (aka-Moose), Technician
Category: Chevy
Satisfied Customers: 49,386
Experience: 16 years of experience
Verified

Welcome, I'm Chris (aka Moose). Hopefully my assistance will be appreciated being the fees here are much less than dealerships.

>>>>>

I am sorry no one has responded as of yet. If you still need help, let me know know and I will try to get this concern resolved via you and me working on this.

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Customer reply replied 9 months ago
still need help please
1-***-***-****
Chevy Mechanic: Chris (aka-Moose), Technician replied 9 months ago

With the key on is the theft light on and flashing?

Are the exterior lights flashing along with he horn on?

Is the horn honking on/off or on solid?

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Customer reply replied 9 months ago
horn solid no lights flashing
Chevy Mechanic: Chris (aka-Moose), Technician replied 9 months ago

Remove the horn relay and horn fuse under the hood. At the relay are there 2 pins with power, one with no power or ground and one pin with ground?

Remove the starter relay, are there 2 pins with battery voltage with the key held in the start position?

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Customer reply replied 8 months ago
Tried removing the horn fuses and the starter fuses no luck...
Do you have any suggestions??
Chevy Mechanic: Chris (aka-Moose), Technician replied 8 months ago

Are you saying you do not know how to remove fuses?

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Customer reply replied 8 months ago
No i mean i removed them trued to start put them back changed nothing...still no start
Customer reply replied 8 months ago
I ended up removing the alarm system that was added before i bought it used.
Worked...starts like a charm
Chevy Mechanic: Chris (aka-Moose), Technician replied 8 months ago

Glad you got it resolved.

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