Dual battery isolating Relay blowing fuse!?

ripinlip · February 26, 2020

How did you hook up the t-harness. You didn't hook up 2 wires you said right? I'm guessing it's the yellow (12v constant) and the black Ground wire ? I just got my harness in today .

YES. That is exactly it. I actually just went back to identify the wires from the picture I took about 8mo ago. Negatives to the negative wires on rcas, positives to positives and then the two RCAs went into my dsp. If you don’t do the DSP dance and do a an LC2i, you’ll just do wire to wire on in the side and then out from the LC2i to you amp.

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Bens18sierraslt · February 26, 2020

Hmmm. I'll have to look at it when I get my PAC LP7-2 to see if this makes more sense. Lol . Did you use the yellow wire as your Power turn on for you amp or some people call it the remote wire . Because I think the yellow wire is the constant 12v .

ripinlip · February 26, 2020

you know, i had always knew i wanted to run all the accessories from a seperate battery so when i ran 1/0 gauge power behind the seat, i also ran a remote turn on wire so i don't really have a use for for the yellow. turns out that my DSP and amps all have signal sensing turn on and so even the remote turn on wire has little value but gives me options for anything else i want to turn on back there via key so that is nice

Bens18sierraslt · February 27, 2020

So I hooked it all up but no sound came through my sub. My amp turned on... The Lp7-2 turned on but nothing. I have a feeling that the harness isn't clipping in all the way . I'll have to mess with it more twmorrow

ripinlip · February 28, 2020

So I hooked it all up but no sound came through my sub. My amp turned on... The Lp7-2 turned on but nothing. I have a feeling that the harness isn't clipping in all the way . I'll have to mess with it more twmorrow

Did you have any luck with the harness?

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Bens18sierraslt · February 28, 2020

Yesss! I forgot to post until you just reminded me. Basically what I was doing wrong was I had to main connections which are the RCA wire's. I'll show you a pic in a minute. But the red RCA has a grey-front left speaker (+) and grey and black from right speaker (-) and the white RCA has the white-rear left speaker (+) and white and black - rear right speaker (-) . So with that being said . I clippied off those RCA's and just hooked up color to color but I only made to 2 main connections. That's why no sound. I was shorting out the lead out signal leads. So now I re-wired to where each wire is individually spliced I'll show you the different scenarios. Other then that. It's so worth it!

ripinlip · February 28, 2020

Yesss! I forgot to post until you just reminded me. Basically what I was doing wrong was I had to main connections which are the RCA wire's. I'll show you a pic in a minute. But the red RCA has a grey-front left speaker (+) and grey and black from right speaker (-) and the white RCA has the white-rear left speaker (+) and white and black - rear right speaker (-) . So with that being said . I clippied off those RCA's and just hooked up color to color but I only made to 2 main connections. That's why no sound. I was shorting out the lead out signal leads. So now I re-wired to where each wire is individually spliced I'll show you the different scenarios. Other then that. It's so worth it!

Excellent! Other benefit is you didn’t bone up your factory wiring ! Congrats

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