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Here's one for ya, on my 89 Wrangler,when the stock radio was in its original location, if I would dim the insrtument lighting the Radio would die. Like the previouse post suggeted run a new fused power source to your stereo, a seperate ground wouldnt hurt if you dont already have good ground. Its a good idea to run a ground distrubution block from the neg terminal on the battery to the unerside of the dash for a good ground source to all comunication equiptment.
Jeff,
89 Wrangler

 

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I run my all of my radio equiptment from a common distribution block for the ground. Basicly just a 4 ga. wire straight from the neg. side of the battery to one of those gold plated stereo dist blocks without the fuse holders.Then I run an individual 10/12 ga. wire from the dist block to the ground wire at the component,then ground the chasis to a local ground. Then I run individual(homeruns)fused power lines to each of the components,try never to coil extra power wire to reduce reactive inductance(X sub L). This system works great on my rigs. The YJ has a Galaxy DX55V 11 Meter, with a Texas Ranger 500w Amp, also a Sony ES head Unit,and a 200 w Soundstream amp. I dont have to run any filters(except diodes to the HP amps on my tow rig) and get no engine interference. The tow rig (F250 4x4) is wired up like a radio station,and although I have a few more grounding and power isolation components in place its still basicly the same set up, with good results.
Jeff
89 Wrangler


 

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Thats a very good point DDawg,
Which leads to another question. I have about 7 relays screwed into place i the engine compatrment along the top of the fender on the passenger side. Although I have kept the installation very neat it starting to get congested with all the wires. I run all of my lights off of relays this allows me to keep the switches overhead in the roll cage but not have to run many heavy power wires,(one for the CB and one to a dist. block for the small 12v signals from the switches to the relays). I run 2 rear lights,2 lower fronts, 2 upper fronts 2 front rock lights and 2 rear rock lights, plus an ARB compressor. Does any one make an intergrated relay board with 6 relays? I have looked through marine catalogs etc, with no luck. They address fuse blocks and Cicuit breakers, but not relays boards. It would deffinitely make the wiring less confusing to someone else(Im kind of used to it since I wired it)trying to isolate an electrical problem, and make a cleaner looking engine compartment.
Jeff
89 Wrangler

 
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