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    TRUCKCITY CB & Solar
           320 Birch Street Milton/Tacoma 253-927-2088

  

    Cardinal Rule
    CB Radio location
    Wiring power
    Antenna Coax
    Big Radios
    Linears

CARDINAL RULE

NEVER DRILL OR SCREW INTO ANYTHING YOU CAN'T FEEL OR SEE BEHIND TO MAKE SURE YOU DON'T DRILL INTO SOMETHING YOU SHOULDN'T!!!

   Over the years each employee has had to learn the hard way "not to drill or self drill screw into anything that you can't see behind or feel behind to make sure you don't drill into anything you shouldn't". We have had installers drill into air-conditioning coolant, break fluid, batteries, wires, antifreeze, glass, and one installer even drilled the gas tank on a VW and everything else under the hood or behind the dash. With each new installer this Rule has been broken which usually costs Truckcity a lot of money. Most of the time the answer I get when I ask if they looked or felt behind where they were drilling they said "I didn't think there was anything there". Or ,and this is a good one. "The one time I don't look I hit something". I say "B.S; just make sure every time".

CB Radio location

   The main rules are usability and staying away from the heater. If you mount the radio where the heater blows on it, it will overheat the radio inside and shorten it's life. Where ever the radio fits is fine. Keep it close enough that the mike wire isn't stretched to much when you're blabin because stretching breaks the wires. Make sure there is enough room behind the radio to hook up the wires and don't make it so close the wires are rubbing and bending back and forth from vibration. As you know bending a wire back and forth will break it. Remember the radio is a little heavy for it's size so be careful not to mount it to anything that is too week to take the bouncing down the road it's going to have to withstand. Also when you hang the mike, make sure the mike wire isn't swinging back and forth because bending it back and forth will shorten it's life too.

Wiring Power

Download Supply voltage troubleshooting Video  Always fuse your power supply wires at the supply end too by making sure you tap off the fused side of the supply so your wire is fused (not the hot side in the fusebox). Radios come with a fuse at the radio end but that doesn't protect the wire itself. Always plan and run your power supply wire before you drill and mount the radio.

Antenna Coax

 
  Just a reminder to always plan and run your coax before you drill for mounting the antenna(s) (See Antennas). Proper install procedure requires that you finish up each install
by double checking your work and testing the system. Make sure the vehicle is tidied up and check for any misplaced tools

Big Radios

   Some CB radios come with built in linears so you should treat them like a linear when installing. Follow the same power and antenna requirements as linears shown below

Linear Amplifiers

   Again, don't mount your linear close to the heater or it will cook. Do mount it where it can get enough air circulation to cool. Do mount it away from any electronics or wires leading to electronics. Use at least #10 wire and make sure the connections on each end use all the wire and are tight and stay that way. Use larger wire if your linear is over 400 watts. If you starve your linear for power it won't work right at all. To test for proper power hook a volt meter up right next to the linear and key it up. If the volts drop way down use bigger wire. If your linear buzzes or clicks a lot when you talk on sideband you need a delay to keep it on for a second or two and it won't buzz. Just make sure the linear is made for sideband use when you buy it and it will have a built in delay.
  
Use mini 8x coax and an antenna that is rated for the power you're using.
To tune the antenna, hook it up without the linear in line. Hook a short coax directly from the radio into the SWR meter and from the meter directly to the antenna. If you leave the linear in line you will get an erroneous SWR reading, your antenna won't be tuned right so you won't get good performance and you will shorten the linear's life. If you leave the meters or any other goodies in line between the radio and the linear or the linear and the antenna you will lose power because it will detune your system. Some meters or goodies are worse then others.
To use the radio with a ADJUSTABLE antenna hook coax as short as possible but in 3 foot increment (3,6,9 foot) from the radio to the linear and a 6, 9, 12 or 18 foot coax from the linear to the antenna.
To use the radio with a NON ADJUSTABLE antenna hook a coax as short as possible but in 3 foot increments (3,6,9 foot) from the radio to the linear and a 18 foot coax from the linear to the antenna. Do not wrap extra coax in a small coil, make one or two loops.
Going by the "radio-antenna" labels on a meter and a liner. If you have to have a meter stuck in there. From the CB to "radio" on the linear. From "ant" on the linear to "radio" on the meter. (Meter must be high enough power) From "ant" on the meter to the antenna.

   The CB should be tuned for linear use. Too little power going into the linear means too little power going out and too much power in will over drive the linear and make you sound fuzzy. About 2 watts carrier is great and as much modulation swing as you can get. Truckcity CB does an excellent job at this. See Modifications.

CB Radio tips on where and how to install radios, Antennas, Microphones, for best performance.

HEH HEH JUST SKIPPING AROUND THE WORLD WITH MY OVERSHOES ON