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What harness do I need to install a Kenwood KMM-BT325U stereo in a 2015 Mack CXU?
April 15th, 2019
Use the BT ISO DIN
W
ire to the Kenwood and you will have a PLUG &
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I bought a bt iso din for Mack and the stereo comes but no sound any idea y
April 10th, 2019
2 possible issues.
1st  You have a factory amp on the vehicle.  You need to turn it on with the new radio remote power wire on your new radio.  This wire is blue with a white trace.  Hook this to the 2 blues on the BT ISO DIN and this should turn on the factory amp

2nd
You have a ground speakers lead.  Test all the speakers for short to ground.  Do this with a continunity tester or ohm meter.  If any wire of any speaker is grounded the radio will shut off the audio.

Hope this
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Radio amplifier fuse location on 2018 kenworth w900l
March 23rd, 2019
Not sure on that one.  Mosty cases I would expect to find it on the   Read more...
I have a 2017 freightliner cascadia. What size are the speakers in the doors and in the sleeper?
March 2nd, 2019
Doors are usually 5 1/4 and sleeper are larger 6 X 9.  This is not cut in stone and the dealer could have ordered different in some   Read more...
I have a 2006 international prostar. The wires on the harness for the radio are mainly green how can I find out which wire is for what. I want to install a different stereo with out getting an adapter
February 14th, 2019
You have 3 options.  The first is the easiest.  Buy a mating harness from us and the wires are ID for you by color as well as a package labled instructions.  2nd would be to get a power tester and a continuity tester ti ID the wires yourself.  3rd would be to call your service dept and give them the number that is written on each of the green wires to ID   Read more...