CJ radio install - JeepForum.com

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post #1 of 17 Old 06-12-2014, 08:39 AM Thread Starter
tapper141
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CJ radio install

I have an 86 cj and im trying to put an aftermarket radio in. Where do I attach the power, the illumination, and the 12v constant wires since there is no harness?

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post #2 of 17 Old 06-12-2014, 08:45 AM
waterdowg
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Go directly to the fuse panel. You need to find one spot that is constant 12v and one that is switched from 12v. That's means it has power when you turn the key and no power when the key is off. You will need a test light to figure out which ones to use.
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post #3 of 17 Old 06-12-2014, 09:14 AM
Mike Romain
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Bottom left corner of the fuse panel has a slot to plug in the radio power. If you want the light to dim with the dash, you could jumper that to one of the cluster lights.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
Some Canadian Bush Jeep Runs and Build Photos: http://mikeromainjeeptrips.shutterfly.com (10 new albums added Sept 16/10)
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post #4 of 17 Old 06-12-2014, 11:04 AM
Shenandoah
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You can also buy the connector and wire it yourself for future connect/disconnect. I bought the male/female connector and wired it with power, switched power and speakers. When the current radio goes kaput, it is easy to wire the new radio to one side of the harness and plug it back.

I rerouted mine to a Tuffy console.

Turn a wrench, save a tree
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post #5 of 17 Old 06-13-2014, 09:20 AM Thread Starter
tapper141
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so if i use the fuse panel, i can get the 12v constant from the radio fuse plug. and the 12v accessory from the cigarette lighter. where do i put the illumination?
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post #6 of 17 Old 06-13-2014, 10:28 AM
CSP
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It's time to invest in a test light (less than $5) and use it to test which circuits are which in the fuse box.
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post #7 of 17 Old 06-13-2014, 11:12 AM
Mike Romain
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Quote:
Originally Posted by tapper141 View Post
so if i use the fuse panel, i can get the 12v constant from the radio fuse plug. and the 12v accessory from the cigarette lighter. where do i put the illumination?
In the past I have just tied into the wire coming from the headlight switch to the dash lights for this.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
Some Canadian Bush Jeep Runs and Build Photos: http://mikeromainjeeptrips.shutterfly.com (10 new albums added Sept 16/10)
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post #8 of 17 Old 06-13-2014, 01:29 PM
PROJECT 23
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I see nothing good resulting in this install. If you're not sure, take it to the local audio shop before you burn your CJ to the ground.
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post #9 of 17 Old 06-14-2014, 08:52 AM Thread Starter
tapper141
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alright, thanks for the help everyone!
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post #10 of 17 Old 06-14-2014, 02:24 PM
tdagner
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Quote:
Originally Posted by PROJECT 23 View Post
I see nothing good resulting in this install. If you're not sure, take it to the local audio shop before you burn your CJ to the ground.
What a negative Nancy. The guys gotta learn somehow.
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post #11 of 17 Old 06-14-2014, 04:10 PM
82JeepCJ7
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Don't waste your money on a test light. You can never tell what you have. Spend the money and buy a digital multimeter. They are worth their weight in gold.

Beat it to fit, paint it to match!

Wheel, Wrench, Repeat.
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post #12 of 17 Old 06-14-2014, 04:21 PM
hp_lovecraft
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WHen I did mine, I used the Radio fuse for the Acc line, and the Clock fuse for the Batt line. THere might have been a harness hiding behind the dash, but the wiring is such a mess from previous owners, I don't trust much of it.
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post #13 of 17 Old 06-14-2014, 06:49 PM
CSP
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Quote:
Originally Posted by 82JeepCJ7 View Post
Don't waste your money on a test light. You can never tell what you have.
What do you mean by that last sentence? I've never had a problem finding a circuit with a test light.

Not that DVOM is a bad idea, but a test light is easy peasy to use for someone asking the questions the OP is asking.
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post #14 of 17 Old 06-14-2014, 10:13 PM
82JeepCJ7
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A test light cannot tell you if you have a positive or negative circuit. A light will also not tell you if you have 12v or 9v. Sure, it will tell a person they have "some" voltage on a wire, but not definitive. A light cannot show conductivity. There are many, many uses for a DVM

Beat it to fit, paint it to match!

Wheel, Wrench, Repeat.
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post #15 of 17 Old 06-15-2014, 04:22 AM
Mike Romain
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A test light is also a very dangerous tool to get used to using. If you use it regularly on our old beasts, then decide to check out your modern car with it, it can cook modern electronics by introducing 12 volts to low power IC chips according to the college course I took. Modern stuff needs a digital multimeter.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
Some Canadian Bush Jeep Runs and Build Photos: http://mikeromainjeeptrips.shutterfly.com (10 new albums added Sept 16/10)
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