Last edit by: IB Advertising
See related guides and technical advice from our community experts:
Browse all: Interior Guides
- Dodge Ram 2002-2008: How to Replace Ignition Switch
Step by step instructions for the do-it-yourself repairs
Browse all: Interior Guides
Burnt wires on ignition switch
#1
Burnt wires on ignition switch
My dads blower motor stopped working on his 04 1500. I found that there are two wires, red and blue, towards the top of the ignition switch connector that look burnt. About a half inch of insulation has also melted off of both these wires. I am going to replace the ignition switch as it looks to be burnt as well. Anyone know what is causing this issue and is there a perminant fix? I found a picture in another thread that matches what the burnt wires look like.
Last edited by mlott132; 06-14-2011 at 01:34 PM. Reason: Added picture
#2
Ok, with the black top of the switch facing up, pins 1 and 8 are at the top.
Pin 1 is a 10ga red wire that is a direct battery feed. It should have 12v at all times. It is a wire from the battery feed circuits.
Pin 8 is a 10ga dark blue wire and supplies 12v to the fan blower motor. It is a wire from the climate control circuits.
So it seems likely you are pulling too many amps through that circuit for the blower motor. This could be many reasons such as a motor going bad, poor ground or loose connection. It could also be none of the above but rather too small wire for the circuit. IDK what the engineering specs called for on that circuit.
But that should cover your Qs. Feel free to ask more if needed
Pin 1 is a 10ga red wire that is a direct battery feed. It should have 12v at all times. It is a wire from the battery feed circuits.
Pin 8 is a 10ga dark blue wire and supplies 12v to the fan blower motor. It is a wire from the climate control circuits.
So it seems likely you are pulling too many amps through that circuit for the blower motor. This could be many reasons such as a motor going bad, poor ground or loose connection. It could also be none of the above but rather too small wire for the circuit. IDK what the engineering specs called for on that circuit.
But that should cover your Qs. Feel free to ask more if needed
#4
#5
Yes both the plug and switch have burn marks on the same terminal. Does not appear to be any corrosion, so it looks like a bad connection. I am going to try to take the connector apart to see if I can clean the terminals on the plug. I am also going to cut the bad section of wires out and reconnect. Hopefully that will fix the problem for good.
#7
Trending Topics
#9
#10
Already tried that route by calling the dealer themselves. They said I would have to pay for it since anything over 02 is not covered under the TSB recall. They would not sell the part to me because it was a recall item. I am working to get this covered under the TSB, but if I can't make it happen, I will just have make an overlay harness myself when I go home on leave.