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Old 05-14-2013, 02:04 PM
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Default Please verify my RCA ground job

Googling didn't answer my question so here I am. I am only using the top and bottom set of RCAs, is it okay that I'm grounding the middle ones as well?

Kind of a stupid question but I just want to be 100% sure before I reinstall this.

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Old 05-14-2013, 02:05 PM
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you did good now try it b4 u install it and make sure it works
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Old 05-14-2013, 03:11 PM
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Looks good to me. I usually like to splice the shield of the rcas though... I guess personal preference?
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Old 05-14-2013, 03:21 PM
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I usually solder the wire to the RCA shield.
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Old 05-14-2013, 06:48 PM
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Soldering is Feinstein going to get you the est possible connection if you're good and careful not to burn the rest of the cable.

If you're not, you can do a similar way of what you did, by stripping back the smallest amount of jacket on each of the RCA cables and do single tight loops around each opening to the shielding, and finishing with e tape and some zip ties to secure it.
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Old 05-14-2013, 11:00 PM
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Why do you ground the rca? is that just for headunits? i have never heard of doing this for amps/
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Old 05-14-2013, 11:07 PM
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or you could simply open up the unit find the blown pico fue on the board and solder a jumper like i did on ym AVH4200...
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Old 05-15-2013, 12:30 AM
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Quote:
Originally Posted by QmarcesQ View Post
Why do you ground the rca? is that just for headunits? i have never heard of doing this for amps/
Search for "pioneer pico fuse noise" or something like that and you'll get your answers. In short: there's a fuse between the signal ground and chassis ground inside the headunit. It's prone to blow, and without that connection the signal ground differential between the headunit and amp will be different, inducing noise.

OP that looks fine.
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Old 05-15-2013, 12:37 AM
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pico fuse is located on the board where the harness input is on the left of it. will have FU321 a "p" and a white box around it. chk if it burnt to shit.
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