Thanks for the write up, I’ve been trying to get my 2017 with factory Sony system wired with a aftermarket amp and sub. I tried the LOC in the same speaker but the sub would hardly come on, more vocals than bass. Any way you can talk me through this problem it’s driving me nuts. Thanks
Hey guys, I’ve got the 2017 Expedition Limited with the Sony sound system. I want to keep the factory head unit but add a aftermarket Amp and Sub. Has anybody attempted this yet? The only bypass wiring harness I can find is $350USD, when all I believe I need is a high level line converter. I...
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