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Some times the fuse on my 07 3500hd silverado blows fuse 48…

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some times the fuse on...
some times the fuse on my 07 3500hd silverado blows fuse 48 aux hvac-ign it seems like that it blows when you try to adj settings while in auto mode it blown 3 times in the last 2 months
Submitted: 2 years ago.Category: Chevy
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Customer reply replied 2 years 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 9 hours by:
3/2/2016
Chevy Mechanic: Eric, Automotive Repair Shop Manager replied 2 years ago
Eric
Eric, Automotive Repair Shop Manager
Category: Chevy
Satisfied Customers: 34,308
Experience: 20+ yrs. experience as repair shop manager and technician.
Verified

HI,

I am sorry that you have not been helped yet. I just came online and saw your question

There is either chafed wiring/loose wiring at the climate control connector touching each other and shorting which will blow the fuse, or an internal short in the climate control unit itself. The climate control unit needs to be pulled and wiring checked at the harness connector and repaired as needed. If ok, then replace the climate control unit

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Chevy Mechanic: Eric, Automotive Repair Shop Manager replied 2 years ago

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Customer reply replied 2 years 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.
Chevy Mechanic: Mike S., Chevy Mechanic replied 2 years ago
Mike S.
Mike S., Chevy Mechanic
Category: Chevy
Satisfied Customers: 8,016
Experience: ASE Certified Master Technician
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In what fuse block is this fuse and which engine is in this?

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Customer reply replied 2 years 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.
Chevy Mechanic: Mike S., Chevy Mechanic replied 2 years ago

Did you get your phone call? If not, do you still want one?

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Customer reply replied 2 years ago
at this time i am not satisified with the answer. i didnt get to reply to it. when i called the chevy place about the controls he said i should check the resistor under the fuse block but when i asked where it was their mech didnt know what he was talking about is there something i should check first?
Chevy Mechanic: Mike S., Chevy Mechanic replied 2 years ago

Ok, I found the fuse and the wiring diagram. I have to ask, does this have a heated steering wheel?

If it does have a heated steering wheel, remove that 7.5a heated steering wheel fuse and see if the fuse #48 still blows.

If it does or you don't have a heated steering wheel. the pink wire to both the indies review mirror and see if the #48 fuse still blows.

Plus put the 10a fuse back in, you don't want to burn anything up.

If it still blows with just the instrument cluster pink wire hooked up, it looks like it's going to be that then.

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