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GM Bob
GM Bob, ASE Certified Technician
Category: Chevy
Satisfied Customers: 1063
Experience:  30 plus years. experience as GM technician, ASE Master Technician and GM Certified.
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What is the radio class 2 serial data wire the original

Customer Question

what is the radio class 2 serial data wire for on the original stereo wiring system of a 2005 chev c5500?
JA: Have you checked the fuses?
Customer: i have a switched hot wire, this wire does not have any current to it. this connection has two orange wires for current only one has current to it
JA: What is the model of your '05 Chevy?
Customer: c5500 kodiac
JA: When was your last tune up?
Customer: last year
JA: Are you hoping to fix this yourself?
Customer: trying to install aftermarket stereo
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Chevy Mechanic about your situation and then connect you two.
Submitted: 11 months ago.
Category: Chevy
Expert:  GM Bob replied 11 months ago.
Hello my name is ***** ***** I can help.Can you post yore VIN#There are two orange wires one will have 12v the other around 2.5v. You need a voltmeter to test it.Do you still have the original connector hooked up?I will post a schematic after you post your VIN#Please get back with me.Thank you
Customer: replied 11 months ago.
Expert:  GM Bob replied 11 months ago.
Here is a link to the schematic Let me know if you need more helpThank you
Expert:  GM Bob replied 11 months ago.
Did you need more help?Not sure if I answered your question?Please let me know.Thank you
Expert:  GM Bob replied 11 months ago.
Please let me know if I was helpful.Thank you
Customer: replied 11 months ago.
I had the schematic, later found the explanation here;
Expert:  GM Bob replied 11 months ago.
Sorry I didn't answer your question.I will request a refund for you.Thank you