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Discussion Starter #1
Just stopping by for an introduction. Just got my first Nitro and my wife bought one as well. So far no problems at all with hers and mine only one problem im stumped by. The rest is all little stuff that's already been remedied. Overall we're very pleased with them both. Nice little trucks!
 

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Welcome and hopefully we can figure that horn issue out on yours. Question: do you have any warranty coverage on yours (like 30 days). If your vehicle needs a replacement TIPM unit it could become expensive.
 

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No I do not other than drive train. There are no other issues with the truck other than the horn. From what I've read a bad tpm will usually cause mutiple problems. I will note though,at the time I bought it the socket for the top left tail light was melted. Don't know if that has any significance. The circuit board has been replaced with no further issues.
 

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Yes you have done your research, JUST the horn only is not the norm. You can check the TIPM by pushing down on all the items to see if anything has been jarred loose and not fully seated. Sometimes that is all that is needed to correct an issue.
 

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It seems to me that would be more of a mechanical/physical issue. I pretty much eliminated that cause as I've already checked all that and by doing a hard reset it generally won't do it again for approximately 2 weeks,which leads me to believe it's an electronic issue. Is there any way to completely disable the alarm system to eliminate that as a possibility? ie:fuse,relay,etc?
 

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Have you check to see if you have any error codes? If you have to remove the steering wheel you may have to worry about the air bag. Not something most would do.

Dodge Nitro: Engine Problems / Code Errors NOT JUST ENGINE CODES

How to Use an OBD2 Scanner


Sep 20, 2015

Starting from the end to putting everything back together on a 2007 dodge nitro clockspring replacement. This controls your horn and links the streeing wheel to the instrument cluster. If they are going out..its probably your clockspring....good luck !

Nitro Clockspring replacement removal
 

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Well that is the same as mine and I replaced that multi-function light switch myself on my nitro that has the tilt wheel. You have researched more than me and must be correct. So when you hit the center of the steering wheel what switch is activated to make the horn blow?
 

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From my understanding the horn switch for the Nitro Detonator with multifunction tilt wheel looks like this. Ive pulled the fuses for the horn and can still hear the relay triggering. Only way it will stop for a week or more is to pull bothh battery terminals and clamp them together for a couple of hours. Anything less than that and it still does it. Leads me to think it has to be a programming issue but who knows....
 

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What is a Air Bag Clock Spring?

What is a Air Bag Clock Spring?

The airbag clock spring is a vital component in the Supplemental Restraint System (SRS), also known as the airbag system or passive restraint system. The airbag clock spring connects the driver's side airbag to the steering column and ensures that electrical contact is maintained between the airbag module and the vehicle electrical system while the steering wheel is being turned.
How does an Air Bag Clock Spring work?

The airbag clock spring is mounted to the end of the steering column directly behind the steering wheel. It contains a series of small wires wound in a spiral between two plates or discs. These wires rotate between the discs inside the clock spring when the steering wheel is turned from side to side. As the steering wheel turns, the coiled wires wrap freely in both directions. The wiring in the airbag clock spring connects the driver's airbag, the horn, and any other electric features built into the steering wheel - such as the radio or the cruise control buttons - to the vehicle's electrical system.
What are the symptoms of a bad Air Bag Clock Spring?

Problems with the airbag clock spring occur when the wires inside the clock spring become fatigued over time and break. This can cause an open circuit or a short circuit in one or more of the systems connected by the clock spring. The clock spring can also become damaged if the driver's airbag is deployed in a crash. The airbag (or SRS) warning light will usually come on when the clock spring is damaged. The horn, radio, cruise control, or any other component that is operated through the steering wheel may also stop working, or may work intermittently. Fuses may blow with a short circuit in the clock spring, and in some cases, electric arcing and smoke can come from the steering wheel.
Can I drive with a bad Air Bag Clock Spring?

Because the airbag and the horn are both vehicle safety components, and because they are connected through the steering wheel and airbag clock spring, a faulty clock spring should be replaced as soon as possible. A defective airbag clock spring will often defeat the Supplemental Restraint System, preventing the airbags from inflating in a crash.
How often do Air Bag Clocksprings need replacement?

The airbag clock spring is designed to last the lifetime of the vehicle. On some older models, the wiring inside the clock spring can become brittle and break over time, causing failure. The clock spring may need to be replaced if it is damaged during careless service to the steering system, and, in some cases, if the vehicle is in a crash and the driver's airbag deploys.
How are Air Bag Clocksprings diagnosed?

A technician will use a scan tool to check the electrical system for signs of a faulty airbag clock spring. A test with a multimeter may also be done on the clock spring itself. A repair manual and wiring diagram are used to identify and test each circuit running through the clock spring.
How are Air Bag Clock Spring replaced?

To replace an airbag clock spring, a technician will first disconnect the battery to disarm the Supplemental Restraint System. The driver's airbag and the steering wheel are removed. In order to access the wiring harness connected to the airbag clock spring, the trim components on the steering column are removed. It may also be necessary to remove trim components from the lower dash assembly for access to the harness plugs. With the trim removed and the clock spring harness disconnected, the clock spring is removed and replaced. After the clock spring, steering wheel, trim, and airbag have been installed and connected, the Supplemental Restraint System will need to be reset with special software.
RepairPal Recommendations for Air Bag Clock Spring issues

If the airbag clock spring is damaged or defective, the Supplemental Restraint System is usually disarmed and the airbags will not inflate in the event of a vehicle crash. Furthermore, a short circuit in the clock spring can result in additional damage to the vehicle's electrical system or computer modules. If the airbag (SRS) warning light illuminates on the dashboard, or if any other symptoms of airbag clock spring failure appear (i.e. faulty radio controls on the steering wheel), RepairPal recommends having the vehicle evaluated and repairs completed by an experienced technician as soon as possible.
What to look out for when dealing with Air Bag Clock Spring issues

The airbag clock spring contains delicate wires that can be damaged during careless service to the steering and front suspension systems. Care must be exercised to ensure that the steering wheel is not allowed to free-spin with steering and suspension components disconnected. The battery should always be disconnected prior to performing any repairs on the Supplemental Restraint System, including the airbag clock spring. Care must be exercised whenever handling an airbag module. The SRS will also need to be reset once repairs have been completed.
Can I replace the Air Bag Clock Spring myself?

It is recommended that repairs to the Supplemental Restraint System be left to a professional. Accurate diagnosis of the system is essential. Depending on the reason for failure of the airbag clock spring, other components may also need to be replaced to ensure proper function of the Supplemental Restraint System. A professional technician will have access to the equipment to perform a thorough test of the system for any other failed components and replace them as necessary. A technician will also be able to reset the system with special software after the components have been replaced. Someone with advanced DIY experience may be able to perform part of the repair, but will still need assistance to reset the SRS.

SOURCE


All Dodge Nitro Clock Springs
 
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