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12 volt accessory or same wire that goes to red wire on stereo or cigarette lighter.
What is the current draw on amplified aerial ? or are you talking bout electric aerial(up and down automatically ?) If current draw is really low like 500 milliamp or so then hook her up to blue wire (remote output) on back of stereo but REMEMBER this is LOW current and only meant to switch on amps and raise electric aerials etc.If you think amp on aerial is too much for it then run the rem wire to a 12 volt relay and wire it so that when rem triggers and closes the gate will be connecting an accessory wire OR perm 12v wire to aerial power . That way aerial ONLY turns on(POWERS UP) when stereo is on as opposed to other way where aerial will be powered up every time car ign or acc is turned on regardless of whether the stereo is on or not.
OK, HERE IS WHAT I SHOW. DID U KNOW THEY MAKE AN ADAPTER HARNESS THAT ALLOWS YOU TO PLUG DIRECTLY TO FACTORY HARNESS? NO CUTTING WIRES. THESE ARE AVIL FROM ANY LARGE RETAIL STORE LIKE BEST BUY. PLEASE RATE MY HELP, THANKS!
1994 Jeep Grand Cherokee Car Radio Stereo Audio Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Pink Car Radio Accessory Switched 12v+ Wire: Violet/White Car Radio Ground Wire: Black Car Radio Illumination Wire: Orange/Black Car Stereo Dimmer Wire: Green/Red Car Stereo Antenna Trigger: N/A Car Stereo Amp Trigger Wire: N/A Car Stereo Amplifier Location: N/A Car Audio Front Speakers Size: N/A Car Audio Front Speakers Location: N/A Left Front Speaker Positive Wire (+): Green Left Front Speaker Negative Wire (-): Brown/Red Right Front Speaker Positive Wire (+): Violet Right Front Speaker Negative Wire (-): Blue/Red Car Audio Rear Speakers Size: N/A Car Audio Rear Speakers Location: N/A Left Rear Speaker Positive Wire (+): Brown/Yellow Left Rear Speaker Negative Wire (-): Brown/Blue Right Rear Speaker Positive Wire (+): Blue/White Right Rear Speaker Negative Wire (-): Blue/Orange
Supplies needed: - 8 Gauge power wire (long enough to run from your battery to the amp placement) WITH an inline fuse!! - Depending on your stereo (if it has amp pre-outs or not) you will either need RCA cables (long enough to reach your amp from your stereo) OR a Line-Out converter AND RCA cables. - The power lead that connects to your "REMOTE" line on your stereo (long enough to reach from amp to stereo - usually blue) - A good ground wire ( long enough to reach a metal part of your car from the amp)
====================================================================== STEP 1: Find a spot to run the power wire from your battery - through your firewall and into your car - and then to your amp. (DO NOT CONNECT IT TO ANYTHING YET) STEP 2: Remove your car stereo and look to see if you have PRE-AMP outs (RCA connectors for an amp on the rear of the unit) A- if you do, GREAT.. proceed to step 3 B- if you don't.. you will need to get a LINE-OUT CONVERTER - what this does is converts the higher signals from your standard wires on your radio, to RCA style wires to connect to your amp. B2- you will also want to buy a wiring harness kit for your stereo, unless you want to hack away at your factory wires.. (not recommended) - connect the harness kit to your factory wire harness, wire in your leads for the output converter, and run the other end to your stereo.* *you will need to know which wires run to the speakers you plan to power with the amplifier B3 - once the converter is properly connected - proceed to step 3 STEP 3: Plug the RCA cables into the stereo or converter, and run them properly from behind your radio to the amp but DO NOT CONNECT THEM YET. STEP 4: Connect the REMOTE wire from your stereo to the same wire for your amp . (this enables the amp to turn on/off with your radio.. otherwise.. you will have alot of dead batteries) STEP 5: re-install your stereo into the car. STEP 6: Connect the RCA speakers into the INPUTS on your amp STEP 7: Connect the REMOTE wire to your amp. STEP 8: Connect the speaker wire from the OUTPUTS on your amp to the speakers you wish to power STEP 9: Connect the POWER CABLE to the amp PROPERLY STEP 10: Connect the GROUND CABLE to a metal part of your car (sheet metal, not just a bolt) STEP 11: Connect the POWER CABLE to the battery cable STEP 12: Re-connect your Battery STEP 13: Start your car, and test your radio.
If you have any issues from here.. you need to re-check all of your connections.