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Installing Road Gear Amplifier


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ScoutnBout 
Member - Posts: 11
Member spacespace
Joined: October 24, 2004
Location: United States
Posted: October 24, 2004 at 8:20 PM / IP Logged  

---I am a beginner installer. Please bear with me, I have completely rewired my Scout II using a new fuse panel and custom wiring kit from Ron Francis'  Wire Works, an isolated ground system,  a circuit bvreaker panel and other components that are not applicable to the topic here.

---I have a Road Gear 250 Watt 2-Channel Mosfet Amplifier that is going into my restored, daily driver  1973 IHC Scout II. It was pulled from an IHC Traveler along with a Pioneer Supertuner IID. Both worked fine when originally installed in the Traveler, the Pioneer works fine in the Scout II. I had a Pyramid 100W Amp in the Scout II and it worked with the Pioneer.

---Now that my son has snipped all the wires from the Road Gear Amp, I have no idea where to start. I have tried the way the Pyramid is hooked up, Remote from the head unit to the remote on the amp (10 gauge), 12v power supply from the circuit breaker panel (10 gauge), ground (-) to the isolated ground system (10 gauge), speakers to the un-bridged mounting screws and rear speaker wires from the head unit to the Low-Input RCA jacks. I don't get so much as static and it sounded very good in the Traveler.

---If you suggest I bridge the speakers, please describe how this is done. I have never  bridged an amp yet. My understanding is that you simply wire the L(+) and R(-) to one speaker and the L(-) and R(+) to the other. I don't understand what this would do, but hey... what do I know. Explaination of how this works would be great too. One is never too old to learn.

ScoutnBout 
Member - Posts: 11
Member spacespace
Joined: October 24, 2004
Location: United States
Posted: October 26, 2004 at 1:06 PM / IP Logged  

---Would be nice to get a reply here. Maybe even a suggestion on a place where I can find Jensen wiring diagrams. The JEN site has been down for at least a week and I would like to know if this amp is working so I can get on with what else I have to do in the truck.

---I'd appreciate any input you can offer, as to what each area of the amp covers (i.e., remote wire, +12v, High-input, low-input and bridged). As I stated in the original post, amplifiers are new to me and I can use any help you can offer, even if it means talking to me as if I were a 12 year old... lol.

---I'm going to cruise the board for a while and show that I can be of some service in the place so you alldon't think I am going to ask my question and leave. As you can see, I have the board settings to email me when there is a response to any of my posts, and I have returned to "talk shop". Hope I can be of assistance to someone and hope someone can be of assistance to me.

ScoutnBout 
Member - Posts: 11
Member spacespace
Joined: October 24, 2004
Location: United States
Posted: October 26, 2004 at 1:18 PM / IP Logged  

---Going to perform some minor tests, hopefully bringing this subject back to life will bring new viewers in to give a reply. I did however get a slight "THUMP" in the head reading a reply from stevdart in another member's post that might help until someone has any other suggestions.

---Minor test = 2nd post in this topic

dxav 
Silver - Posts: 314
Silver spacespace
Joined: September 11, 2002
Location: United States
Posted: October 26, 2004 at 1:45 PM / IP Logged  
Where are the headlights in the first image of that link? I see them in the other pics.
Don't be so impatient, you can't expect someone to have an answer immediately.
You should probably read as much of this site as possible, first. The left hand side menu of the12volt.com has tons of information. It is a great place to start.
Don't really know where else to get the wiring for that AMP. Try google.com. Then call the manufacturer. If you can't find a number with the stuff you have, go to a store that sells Jensen and look at one of those boxes.
Good Luck,
DXAV
ScoutnBout 
Member - Posts: 11
Member spacespace
Joined: October 24, 2004
Location: United States
Posted: October 26, 2004 at 2:21 PM / IP Logged  

dxav wrote:
The left hand side menu of the12volt.com has tons of information. It is a great place to start.

---No lie there DXAV, I found that   was caused by the firewall my server offers. I much prefer Sygate, but I will shut it down from here on in when I come to teh board so I don't get the target="_ BS again.

dxav wrote:
Don't really know where else to get the wiring for that AMP. Try google.com. Then call the manufacturer. If you can't find a number with the stuff you have, go to a store that sells Jensen and look at one of those boxes.
Good Luck,
DXAV
---Thanks, I always try Google above all other search engines, so much I don't understand why they never sent me an offer for GMail Installing Road Gear Amplifier - Last Post -- posted image.

---I am thinking that this model is obsolete or else it would not have been left in the vehicle when sold. All I can find is the serial number on the back, but no part number. All I have found so far on Google is webpages others' have created where they discussed that it is not an under-rated amp, it is 250W that actually meets what it claims... lot of help that is... and I have emailed those who had links and inquired about the correct way to wire this amp. I haven't been by Wal-Mart or Radio Shack in a while, so I will spin there and see what I can come up with.

---Thanks for the reply DXAV. It is well appreciated.

dxav 
Silver - Posts: 314
Silver spacespace
Joined: September 11, 2002
Location: United States
Posted: October 26, 2004 at 3:26 PM / IP Logged  
Sure thing. Also, do you know the year it was manufactured? Many times, multiple amps from the same manufacturer have the same connection scheme, and connector orientation. If you can find another amp model, it may be the same. Can't hurt to check that, too.
Good luck!
DXAV
stevdart 
Platinum - Posts: 5,816
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member consistently provides reliable informationspace
Joined: January 24, 2004
Location: Pennsylvania, United States
Posted: October 26, 2004 at 7:40 PM / IP Logged  

12v power supply from the circuit breaker panel (10 gauge)

ground (-) to the isolated ground system (10 gauge

 rear speaker wires from the head unit to the Low-Input RCA jacks.

^^ Some of the things I don't understand from your original post.  I don't get the isolated ground system, so...maybe some of the things that normally occur with a 12 volt system would apply differently with your car, I don't know.  Power wire normally should be direct from battery to the amp, and 10 ga. is small.  But I guess in this case might be adequate.  Ground is normally to the chassis, but with your different ground system, it would go directly back to the battery or a part of the chassis that is included in that isolated ground system.

However it goes, the amp has to have power feed from the alternator, via the battery, and grounding through the same grounding system the alt and battery share.

The third item, might be a typo, but speaker wires to RCA jacks?  Aren't you connecting the head unit to the amp with RCA cables?  And don't consider bridging anything to that amplifier unless it's labelled to be wired as such.  It's a two channel amp capable of supporting two speakers.  Just connect your left and right speakers to the appropriate terminals.  BTW, you didn't mention what you are using for speakers, how many, nothing.  And I don't know what kinds of wires an amplifier would have that would be snipped off, although I've heard of some of the old amps having direct wires instead of sockets or terminals.

Crutchfield Advisor has some good basic tutorials you can follow to get you started.

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
tbirdman74 
Copper - Posts: 164
Copper spacespace
Joined: August 22, 2003
Location: United States
Posted: October 27, 2004 at 3:36 AM / IP Logged  
Not sure, but I think that Supertuner deck didn't have RCA outputs.  If not, you need to get a line out converter.  It hooks to the speaker outputs of the head unit, and converts them down to low level RCA outputs to hook into your amplifier.  OR, if the amp has another set of hookups that are labeled high level inputs, hook your speaker leads to them and you should be off and running.  Most of the time, the high level inputs on amps are a small plug-in type connector, and if you dont have the one that came with it, they can be a PITA to match upto, so for 10-15 bucks a line-out converter would be the way to go.  Good Luck, and I commend you on youre choice of vehicles.  Scouts are almost indestructible, but I repeat, Almost...
If it don't fit, Force it.
If it breaks, You needed a new one anyway!

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