98 Aftermarket Head Unit Install Help

[CRUIZIN]

I recently installed a Pioneer double din head unit into my 98 LC using the Metra 70-8112 wiring harness with stock amp integration. I cannot figure out how to get sound to the rear speakers. There are two sets of RCA preouts on the harness, white, grey, purple, green and 2 sets of RCA outs in the back of the deck labeled R/SW and F. Anyone know how I can get all 5 speakers working with this harness? I can only get the fronts and subwoofer working. I have searched.

Thanks

 

[TXLX100]

I wired two of them up without harness. Were the rear speakers working before the new head unit? The last one I did the right rear door wouldn't work and I'm positive I have it made up properly. So the amp likely has a bad channel on mine. You could try bypassing the harness and see if you can get them to work.

 

[CRUIZIN]

TX - are you referring to connecting the head unit's harness rear speaker wires directly to the factory rear speaker wires, thereby "bypassing" the Metra harness?

 

[TXLX100]

TX - are you referring to connecting the head unit's harness rear speaker wires directly to the factory rear speaker wires, thereby "bypassing" the Metra harness?

Yes exactly that. It will at least let you know if the rear speakers / rear amp channels work, before you spend a bunch of time trying to make up the harness.