grounding, cap

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i am an idiot

Platinum - Posts: 13,670

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 30, 2009 at 1:19 PM / IP Logged

If you have switched to the Pioneer radio already, MAKE SURE YOU DISCONNECT THE NEGATIVE BATTERY TERMINAL before you shorten your ground wires.

The negative battery terminal as in the one on your battery. The battery located under the hood of your vehicle.

imupabove

Copper - Posts: 369

Joined: March 14, 2009

Location: California, United States

Posted: August 30, 2009 at 1:58 PM / IP Logged

huh? are you referring this to me?

btw, is it always a good idea to disconnect the negative terminal battery when ever installing amps/caps/decks/re-wiring etc?

i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 30, 2009 at 2:13 PM / IP Logged

Yes I was talking to you. Yes it should always be done. However if there is a Pioneer radio involved disconnecting the battery IS A MUST

imupabove

Copper - Posts: 369

Joined: March 14, 2009

Location: California, United States

Posted: August 30, 2009 at 2:21 PM / IP Logged

okay gotcha. last time i disconnect the negative battery terminal and when i was i connected it and i seen a little spark, is that normal?

i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 30, 2009 at 4:51 PM / IP Logged

Yes that is normal. When you disconnected it, the capacitors inside your amp and the cars computer discharge themself. When you reconnect the ground, the capacitors recharge themself. That is where the spark is coming from.

imupabove

Copper - Posts: 369

Joined: March 14, 2009

Location: California, United States

Posted: August 30, 2009 at 7:22 PM / IP Logged

i just found out .. . the ground wire from the cap to chassis is 3 feet and the ground wire from the mono amp to the cap is around 1-2 feet. :[.

i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 30, 2009 at 7:28 PM / IP Logged

That would have been a good answer, had I ever asked how long are the wires.

imupabove

Copper - Posts: 369

Joined: March 14, 2009

Location: California, United States

Posted: August 31, 2009 at 1:42 PM / IP Logged

sorry i misread your reply. should i shorten the grounds? any suggestions would help.

i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: September 01, 2009 at 9:46 PM / IP Logged

imupabove wrote:

i just found out .. . the ground wire from the cap to chassis is 3 feet and the ground wire from the mono amp to the cap is around 1-2 feet. :[.

So there is a 3 foot ground wire on your capacitor. And the amp is grounded to the cap with a 1-2 foot wire. So that means that the ground wire on your amp is 4-5 feet. I don't know if I have said this yet, but the shortest possible ground wire is the best option. So if 4-5 feet is the shortest you can make it, I guess that will have to do. I think I remember asking about how short the ground wire could be. Must have been a different topic that I asked that question.

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grounding, cap

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