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sprinkles08, ASE Certified Technician
Category: Volvo
Satisfied Customers: 22816
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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My back up alarm system as well as radio no longer

Customer Question

My back up alarm system as well as radio no longer works-what now
JA: Is this an aftermarket stereo, or did it come with the car?
Customer: it came with car-bought car used so dont know life of it
JA: What is the model/year of your Volvo?
Customer: 2004 xc90 t6
JA: Are you fixing your XC90 yourself? What have you tried so far?
Customer: no-have mechnic-not volvo trained who is trying to-he tried a new amplifier and also new radio correct model for that car
JA: Anything else you want the mechanic to know before I connect you?
Customer: I crunkled my side mirror trying to back up without warning beeps
Submitted: 11 months ago.
Category: Volvo
Expert:  sprinkles08 replied 11 months ago.

Hello and welcome to JustAnswer!

If known good parts have been installed then there has to be a loss of power or ground to the radio. The parts installed would either be remanufactured or used, so unless they were verified to work in another vehicle they are still a possibility.

Has any actual testing been done?