Originally Posted by chkster
i am thinking of purchasing the BTA850FH. My head unit has 4 rca outputs for speakers and a subwoofer output... I know that the unit has its own power source etc.. Will the FAST harness that comes with this unit have the RCA plugs??? And if it does what is the procedure for wiring... and if it does not can I get/use the upgraded harness.. for this unit. I do not have a seperate amplifier and will not.
Yes, it will have RCA's in the FAST-Harness. Use either the RCA's or connect to the speaker wires in the factory harness, but NOT
both. The procedure for correct wiring of the FAST System is detailed in the following link;