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My 19 year old son purchased a new 2013 Scion TC (currently with 11,000 miles), and had a Rockford Fosgate Prime R150X2 amp. installed back in 2013 along with a single 10" Kicker subwoofer connected to the stock head unit. The amp. is fused at the battery connection as well as the amps. internal fuse.
Five weeks ago his car quit running while driving down the hi-way with the radio off. The car was towed to the nearest Scion dealer that's located 400 miles away from our home.
The Scion dealership said every single electrical component in the car had to be replaced and so far they claimed to have spent $18,000.00 (not a typo). The following have been replaced so far, battery, alternator, ECM, all coil packs, fuel tank sender, AC controls, oxygen sensors, ABS module, throttle body and on and on.
The dealership said Scion is blaming the amp for the problem, claiming there was a poor ground and that the ground wire was undersized. No fuses were blown anyplace in the car and there are no signs of overheated or burnt wires anyplace in the car or amp. The dealer said "There was a voltage spike, not an amperage spike from the amp that caused the catastrophic electrical failure."
Scion said they will pay for the repairs under goodwill but not under the factory warranty and went on to say if there are any electrical issues in the future there will be no warranty coverage.
Even though the dealership has been fantastic to work with, the car is still there waiting for more parts.
It does NOT seem possible to me that this small amp, that they claim to have had a poor ground could send a voltage spike powerful enough to wipe out every single electrical component in the car and not blow any fuses. Keep in mind the car was driving on the hi-way at the time of failure and the amp was installed 18 months ago. Any thoughts?
Thanks in advance.