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yukon full audio upgrade

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mystadp 
Member - Posts: 7
Member spacespace
Joined: August 04, 2008
Location: Indiana, United States
Posted: August 04, 2008 at 11:10 PM / IP Logged  

First off, Ive got a 2001 GMC Yukon and I am about to begin installing some equipment Ive had sitting around for a while.  Im looking for some insite and suggestions for wiring and power. 

The equipment list is as follows:

Eclipse Head Unit

Eclipse EQ
Eclipse CD Changer
Rockford Components (all 4 doors)
Yellow Top Deep Cycle and Starting battery (already installed)
Orion 2150sx amplifier (to power components)
2 Orion 2250sx amplifiers (subwoofers)
2 Cerwin Vega Stroker 18 Dual 4 ohm Subwoofers
2 Trojan Heavy Duty Marine Deep Cycle Batteries
The amps are old school but nice equipment (im sure some of you will remember these).  They are 2 channel stereo amplifiers capible of 2 ohm loads.  The manual for the 2250s say to add an extra battery for each of these amps that are ran in the system.  After reading a few articles concerning multiple batteries, most of them say that extra batteries will kill the electrical system (this is my main concern).  My thoughts originally were to run the 2150 for the components, and the 2 2250s for the subs (one for each of the 18s) and a battery for each.  I considered buying a battery regulator but after talking to a guy at a local shop he said that the modern cars are fine with multiple batteries and that I would probably burn up the regulator eventually anyways.  He said I can make a rack to mount the batteries under the truck near the spare tire (where ever they fit).  Has anyone done something like this and what should be done to protect the cables? 

I guess Im looking for some guidence on the best way to go about installing this equipment.  Wiring, altenator, cables, ect.  I just want to do it right the first time.  I have got 6 of stroker 18s, two 2150sx and 3 2250sx amps, but opted to go with something thats going to leave me at least a little cargo room.  Thanks in advance for the help. 

Matt

audiocableguy 
Copper - Posts: 630
Copper spacespace
Joined: January 27, 2003
Location: Idaho, United States
Posted: August 05, 2008 at 6:25 PM / IP Logged  
Glad there are no caps in your list. If you are running a quality
HO alternator(s), multiple batteries are acceptable. Dual alternator kits available for this truck. With the amps you have this wouldn't be
a bad idea.
Those 2250sx amps will draw a 100 Amps each, the 2150sx is 50A. So, you are looking about 250 Amps. A singe run of 1/0 AWG fused on each end with 300 A fuses should work to the batteries. 300A fuse with 1/0 AWG to a distro block. 150 amp fuses,4 AWG to each 2250sx. 50 amp 8 AWG to 2150sx. Adapters are available for 1/0 to 4 AWG for those amps but if your distro is within a couple of feet this is way overkill.
"I considered buying a battery regulator but after talking to a guy at a local shop he said that the modern cars are fine with multiple batteries and that I would probably burn up the regulator eventually anyways."
What type of battery regulator are you talking about? Unless your vehicle has a special package, snow plow, HD towing or police duty, the stock electrical system is no way designed for multiple batteries!
Chances are you will burn up the Alternator before the Regulator. Batteries are a load. What ever energy you use from them must be replaced. Your stock alternator will do it's best to keep up at a price. A dead Alt! The stock unit is no way intended for the gear you want to install.
With a couple of 18's I think your comp sets will need more power than the 2150sx will deliver. I have always liked the old school Orion stuff except for 2150sx. That amp just doesn't have the juice it should have for it's rated power. If it was a 2150gx, that's a different story!
mystadp 
Member - Posts: 7
Member spacespace
Joined: August 04, 2008
Location: Indiana, United States
Posted: August 05, 2008 at 10:15 PM / IP Logged  

audiocableguy wrote:
Glad there are no caps in your list. If you are running a quality
HO alternator(s), multiple batteries are acceptable. Dual alternator kits available for this truck. With the amps you have this wouldn't be
a bad idea.
Those 2250sx amps will draw a 100 Amps each, the 2150sx is 50A. So, you are looking about 250 Amps. A singe run of 1/0 AWG fused on each end with 300 A fuses should work to the batteries. 300A fuse with 1/0 AWG to a distro block. 150 amp fuses,4 AWG to each 2250sx. 50 amp 8 AWG to 2150sx. Adapters are available for 1/0 to 4 AWG for those amps but if your distro is within a couple of feet this is way overkill.
"I considered buying a battery regulator but after talking to a guy at a local shop he said that the modern cars are fine with multiple batteries and that I would probably burn up the regulator eventually anyways."
What type of battery regulator are you talking about? Unless your vehicle has a special package, snow plow, HD towing or police duty, the stock electrical system is no way designed for multiple batteries!
Chances are you will burn up the Alternator before the Regulator. Batteries are a load. What ever energy you use from them must be replaced. Your stock alternator will do it's best to keep up at a price. A dead Alt! The stock unit is no way intended for the gear you want to install.
With a couple of 18's I think your comp sets will need more power than the 2150sx will deliver. I have always liked the old school Orion stuff except for 2150sx. That amp just doesn't have the juice it should have for it's rated power. If it was a 2150gx, that's a different story!

First of all, thanks for the reply.  I have been looking into those dual altenator kits.  The vehicle this equipment came out of was an astro van with 4 component sets (3 mids and 3 tweeters in each front door, and one mid and tweeter on each side in the rear), it also had some eclipse speakers in the dash.  Two 2150sx amps powered all of that..  Three 2250sx amps powered the 6 stroker 18s (it really needed 6 of those amps to do it right).  But that thing was damn loud.  It was built back in the day though, before you could even get 1/0 gauge.  It had 4 gauge to the back, circuit breakers on both ends, and circuit breakers on every amp with 3 marine batteries.

The Amps are already prewired with 4 gauge power to a 140 amp circuit breakers, and the 2150 is wired with 8 guage power with the same circuit breaker.  I can get a 25' roll of 1/0 gauge for 100 bucks, so I figured with the extra wire I would go ahead with the big three upgrade to 1/0 gauge.  Then I could run 1/0 back to the batteries. 

Has anyone had any experience mounting batteries underneath the vehicle?  I would like to mount one battery on each side of my spare tire under my truck.  They are marine batteries.. but what precautions should I take to ensure to i have no trouble with power delivery to the stereo in the event of driving in the rain and snow.  Will the connections arc when wet?

mystadp 
Member - Posts: 7
Member spacespace
Joined: August 04, 2008
Location: Indiana, United States
Posted: August 07, 2008 at 6:35 AM / IP Logged  

Also, the components are the fanatic Q 5 1/4 Rockford component systems.


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