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

Customer Question
Duramax 2005 won't start...

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

Mechanic's Assistant: Have you checked the fuel supply? And are all the spark plugs working?

It was working fine till i put it in drive while hand brake was on

Mechanic's Assistant: What is the make/model of your car?

Silverado 2500 duramax 2005

Mechanic's Assistant: Are you fixing your Silverado yourself? What have you tried so far?

Unplugged batteries

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Yes

Submitted: 11 months ago.Category: Chevy
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Customer reply replied 11 months ago
It also said "no powertrain dcts or freeze frame is currently stored" or something like that
Customer reply replied 11 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 11 months ago
I still haven't receive an answer
Customer reply replied 11 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 11 months ago
Chris (aka-Moose)
Chris (aka-Moose), Technician
Category: Chevy
Satisfied Customers: 50,402
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 11 months ago
still need help please
1-***-***-****
Chevy Mechanic: Chris (aka-Moose), Technician replied 11 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 11 months ago
horn solid no lights flashing
Chevy Mechanic: Chris (aka-Moose), Technician replied 11 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 11 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 11 months ago

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

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Customer reply replied 11 months ago
No i mean i removed them trued to start put them back changed nothing...still no start
Customer reply replied 11 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 11 months ago

Glad you got it resolved.

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