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11-15-2008, 02:23 AM
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#1 | | TECH Fanatic
Join Date: May 2007 Location: Odessa, TX
Posts: 1,000
|  How to wire subwoofer & where to ground??
Ive got a FIQ10 Subwoofer, with BP Power & Dual 2Ohms.
How would you wire this sub up?? Also what's a good location in the back to put the ground wire for the amp at???
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02 SLP LE SS w/ 345HP Package A4 #4784
FTRA, SLP "Blackwing" Lid, CME, STB
02 LPM Z28 A4 = TOTALED
Ported TB, SLP Lid & LM2, FTRA | 
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11-15-2008, 02:32 AM
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#2 | | TECH Regular
Join Date: Dec 2005 Location: Bay Area, CA
Posts: 445
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i grounded my amp where the rear passenger side seat belt attaches to the body (near the monsoon amp). Remove the bolt, lift the seat belt bracket/assembly, file off paint down to bare metal, sandwich a ring terminal between the bracket and bare metal, tighten bolt. It will make more sense when you remove the passenger side hatch trim and take a look.
__________________ 2002 Camaro Z28 - 4L60E - 3.23 - T-Tops - Sunoco Hood - 10 Spoke SS Rims & Spoiler MagnaFlow w/ Cutout, FTRA, TSP Lid, Smooth Bellows, Ported TB, Summit UD Pulley, SLP 160* Stat, B&M Tranny Cooler, HPTuners Koni SA, GC Coilovers, Eibach Springs, BMR Adj. TA & LCARB, ST 35/21 Sway Bars, J&M Rod/Rod LCA & PHB, UMI SFC, SLP STB, Hawk HPS
Alpine CDA-9884, Kicker ZX480.1, ZX242.4, Alpine 10" Type-R Subwoofer, CDT CL-61CV Components, Stealth Box
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11-15-2008, 03:05 AM
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#3 | | TECH Enthusiast
Join Date: Feb 2008 Location: Pensacola
Posts: 515
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I grounded mine straight to the inner fender. Drill and a nut andd bolt with a star washer. My amp is located in the little cuby hole on the driver side, if that helps.
Is the speaker a dual voice coil speaker? They should come with directions to hook them up, if yopu bought it new. | |
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11-15-2008, 03:22 AM
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#4 | | TECH Fanatic
Join Date: May 2007 Location: Odessa, TX
Posts: 1,000
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I bought the Sub new directly from FI's website, but i didnt get any instructions or even the screws to screw the sub down to the enclosure. Which is no biggie, i can just use the screws from my busted subwoofer's on my last system. I believe the sub is a dual voice coil speaker, ill have to check the website out to make sure though.
Ill just take a look tomorrow and figure out where a good place to ground it would be.
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02 SLP LE SS w/ 345HP Package A4 #4784
FTRA, SLP "Blackwing" Lid, CME, STB
02 LPM Z28 A4 = TOTALED
Ported TB, SLP Lid & LM2, FTRA | |
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11-18-2008, 09:50 AM
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#5 | | On The Tree
Join Date: Nov 2008 Location: West Terre Haute, In
Posts: 100
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You can ground it to any metal but a good thing to go by is do not ground farther than 3 feet from where your amp is
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11-18-2008, 12:08 PM
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#6 | | TECH Resident
Join Date: Nov 2007 Location: Central Valley , Ca.
Posts: 826
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1.Go to RockfordFosgate.com
2.Support
3.Woofer WiringWizard
Wiring options: 1ohm, or 4ohm
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99 NBM Camaro Z28, M6, pro 5.0, slp UD pulley, slp lid, slp bellow, LS6 intake, "Brownie" ported TB, Catch-can, TWM shift knob, stock exh. manifolds, R.T.cats. n Y pipe,3" cat-back w/spintech, Lots, of suspension mods! Powermaster 200amp alt.,"Big 3", Optima yellow top. Always a work in progress. Coming soon- crane/vinci 216-224 ,115 lsa cam. Yella Terra rocker arms. vinci ported oil pump, crane/vinci programmer. | |
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11-18-2008, 01:28 PM
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#7 | | TECH Resident
Join Date: Dec 2005 Location: Denton, Texas
Posts: 804
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do not ground it to the fender or anything of that sort... our cars are unibodies so the ground needs to be on the ground of the car.
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11-18-2008, 03:10 PM
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#8 | | TECH Resident
Join Date: Feb 2005 Location: Plano/Lubbock
Posts: 765
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just run it back to the negative side of the battery. ive been runnning amps like that for years and never had any bad ground issues. before that it seems like every 4 or 5 months i would have to clean off the previous "bolted" ground location
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11-18-2008, 04:12 PM
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#9 | | TECH Enthusiast
Join Date: Nov 2006
Posts: 688
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running to the battery is a total waste IMO especially since im sure ur not running 1500+ watts rms
ground it to some metal in the trunk and you will be good | |
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11-18-2008, 04:51 PM
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#10 | | TECH Resident
Join Date: Nov 2007 Location: Central Valley , Ca.
Posts: 826
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For your sub to receive full power your Amp needs to be able to deliver rated power at either a 1ohm, or 4ohm load; depending on which way you wire it up.
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99 NBM Camaro Z28, M6, pro 5.0, slp UD pulley, slp lid, slp bellow, LS6 intake, "Brownie" ported TB, Catch-can, TWM shift knob, stock exh. manifolds, R.T.cats. n Y pipe,3" cat-back w/spintech, Lots, of suspension mods! Powermaster 200amp alt.,"Big 3", Optima yellow top. Always a work in progress. Coming soon- crane/vinci 216-224 ,115 lsa cam. Yella Terra rocker arms. vinci ported oil pump, crane/vinci programmer. | |
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11-19-2008, 06:18 AM
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#11 | | TECH Enthusiast
Join Date: Jun 2008 Location: Middle East.
Posts: 600
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Quote:
Originally Posted by 99Bluz28  1.Go to RockfordFosgate.com
2.Support
3.Woofer WiringWizard
Wiring options: 1ohm, or 4ohm |
Hey thanks for posting this site i was looking for it 
__________________  Chevrolet LS1 Camaro 1999 M6 Hooker LT | Custom ORY | Borla Exhaust | LS6 Intake | SLP FlowPac | Holly Intake Filter | SLP UD Pulley | B&M Shifter | MSD Wires My FQuick | |
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11-19-2008, 10:42 PM
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#12 | | TECH Resident
Join Date: Feb 2005 Location: Plano/Lubbock
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Quote:
Originally Posted by pentavolvo running to the battery is a total waste IMO especially since im sure ur not running 1500+ watts rms
ground it to some metal in the trunk and you will be good |
its easier to pay the $10 extra for power cable to run the ground for the battery and never have to worry about it.
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11-19-2008, 11:11 PM
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#13 | | TECH Resident
Join Date: Nov 2007 Location: Central Valley , Ca.
Posts: 826
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Here's where I have my Amps grounded(passenger side rear fender) with a 3/8" nuts and bolt.
I've never had any problems with it grounded here(center of picture). 
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99 NBM Camaro Z28, M6, pro 5.0, slp UD pulley, slp lid, slp bellow, LS6 intake, "Brownie" ported TB, Catch-can, TWM shift knob, stock exh. manifolds, R.T.cats. n Y pipe,3" cat-back w/spintech, Lots, of suspension mods! Powermaster 200amp alt.,"Big 3", Optima yellow top. Always a work in progress. Coming soon- crane/vinci 216-224 ,115 lsa cam. Yella Terra rocker arms. vinci ported oil pump, crane/vinci programmer. | |
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11-20-2008, 09:05 AM
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#14 | | TECH Fanatic
Join Date: Sep 2006 Location: Massachusetts
Posts: 1,456
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Seat belt mounts. Any of the large bolts. I used the upper mounts; I used a 0 gauge ring terminal that I cut open so it's a half-ring, scraped some paint away in the immediate area and mounted it between the seatbelt mount and the nut on top of it. It goes body -> seatbelt mount -> my wire -> nut, but it's fine. Just make sure you do not:
1) Attach it to a very thin piece of metal
2) Attach it to a piece of metal that is weakly attached e.g. tack welded
__________________ 1999 Camaro Z28 M6
Need a subwoofer for your sail panels? Forget that and see this:
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11-22-2008, 08:50 PM
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#15 | | TECH Resident
Join Date: Jul 2007
Posts: 778
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Quote:
Originally Posted by 99Bluz28 Here's where I have my Amps grounded(passenger side rear fender) with a 3/8" nuts and bolt.
I've never had any problems with it grounded here(center of picture). | thats a mess of wiring. Didn't concentrate on a clean install huh?
__________________  99 SS M6
LTs | ORY | Borla catback | Centerforce dual friction | Aluminum flywheel | Lid | 3.42 346 rwhp / 361 lb ft | |
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11-22-2008, 08:52 PM
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#16 | | TECH Resident
Join Date: Jul 2007
Posts: 778
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Oh on all the cars I have wired I always run a 4 ga wire from the battery to a central location under the dash, then from the dash to the rear of the car. I use a distribution block at each location and ground everything to those. Never have to worry about bad grounds if you do it that way.
__________________ 99 SS M6
LTs | ORY | Borla catback | Centerforce dual friction | Aluminum flywheel | Lid | 3.42 346 rwhp / 361 lb ft | |
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11-22-2008, 09:53 PM
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#17 | | TECH Resident
Join Date: Nov 2007 Location: Central Valley , Ca.
Posts: 826
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It's really not bad at all,considering I've got 6 runs of 4 gauge going into my Amp box(at right of picture).and that picture doesn't help any either, the angle just makes it look worse than it really is. 
Okay you right, it does look like   ......... !
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99 NBM Camaro Z28, M6, pro 5.0, slp UD pulley, slp lid, slp bellow, LS6 intake, "Brownie" ported TB, Catch-can, TWM shift knob, stock exh. manifolds, R.T.cats. n Y pipe,3" cat-back w/spintech, Lots, of suspension mods! Powermaster 200amp alt.,"Big 3", Optima yellow top. Always a work in progress. Coming soon- crane/vinci 216-224 ,115 lsa cam. Yella Terra rocker arms. vinci ported oil pump, crane/vinci programmer.
Last edited by 99Bluz28; 11-23-2008 at 02:39 PM..
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11-23-2008, 11:48 AM
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#18 | | TECH Resident
Join Date: Jul 2007
Posts: 778
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I know there is a lot of wires there, so it would take some planning to get the wires there cleanly. I have found it helpfull to lay out the components and what wires they need and move them around until I think I have the best layout to run the wires clean. Its kind of hard to explain, but maybe it will help if you decide to clean it up.
__________________ 99 SS M6
LTs | ORY | Borla catback | Centerforce dual friction | Aluminum flywheel | Lid | 3.42 346 rwhp / 361 lb ft | |
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11-23-2008, 02:36 PM
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#19 | | TECH Resident
Join Date: Nov 2007 Location: Central Valley , Ca.
Posts: 826
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Quote:
Originally Posted by 99345hp I know there is a lot of wires there, so it would take some planning to get the wires there cleanly. I have found it helpfull to lay out the components and what wires they need and move them around until I think I have the best layout to run the wires clean. Its kind of hard to explain, but maybe it will help if you decide to clean it up. | Thanks for the honest opinion!
It's now on my "to do" list of things to get done before 2009! 
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99 NBM Camaro Z28, M6, pro 5.0, slp UD pulley, slp lid, slp bellow, LS6 intake, "Brownie" ported TB, Catch-can, TWM shift knob, stock exh. manifolds, R.T.cats. n Y pipe,3" cat-back w/spintech, Lots, of suspension mods! Powermaster 200amp alt.,"Big 3", Optima yellow top. Always a work in progress. Coming soon- crane/vinci 216-224 ,115 lsa cam. Yella Terra rocker arms. vinci ported oil pump, crane/vinci programmer. | |
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11-24-2008, 08:55 PM
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#20 | | Staging Lane
Join Date: Oct 2008 Location: Mount Carroll, IL
Posts: 80
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Quote:
Originally Posted by vjo90rs8 i grounded my amp where the rear passenger side seat belt attaches to the body (near the monsoon amp). Remove the bolt, lift the seat belt bracket/assembly, file off paint down to bare metal, sandwich a ring terminal between the bracket and bare metal, tighten bolt. It will make more sense when you remove the passenger side hatch trim and take a look. | same as me except mine is on drivers side. Also im interested in this grounding back to the battery i thought u where supposed to keep it short. Or is it worth the mney to grund back to your battery. | |
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