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CB install '98 F250ld #4106232 05/25/16 11:53 AM
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asand1 Offline OP
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After i settled on rebuilding the transmission and keeping my truck, I decided to install my modded Cobra 148GTL and 100W Silverado linear amp in the pickup.

I went to True Value and picked up two Simpson Strong Tie TP37 7X3" plates. I bent a 90* at one end making sure they were mirror images of each other. The mounting surface in the cab is roughly 68*, so I marked and drilled mounting holes for the radio at roughly 22*.





Brackets rounded off, painted, and attached with four 1/8" pop rivets each. I also violated the visors with a box cutter and hacksaw.







Radio is wired with a 10AWG fused wire from the battery, through the firewall and running up the passenger side A pillar.


For the Linear, I built a 14' stretch of 6AWG red cable with a 20A circuit breaker to run off of the firewall mounted "Starter Motor Relay".


The Amp is mounted to the back wall of the cab, just below the top of the seat back.


Power feed for the amplifier in place.


Chevy van wrecking tard junction block mounted and power connected to Silverado 200 amplifier.


Larsen NMO-27 mounted.

Last edited by asand1; 05/25/16 11:54 AM.

2004 GMC Yukon SLuT
Re: CB install '98 F250ld [Re: asand1] #4106242 05/25/16 12:04 PM
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Donald Offline
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Who do you talk to on a CB these days? I had on in the mid to late 1970s but not since.


2015 Ford F-250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: CB install '98 F250ld [Re: asand1] #4106260 05/25/16 12:20 PM
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aquariuscsm Offline
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I wonder how many hobbiests still play around with CB and Ham radios? A friend of mine had a Ham when we were growing up.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 0W20

Re: CB install '98 F250ld [Re: asand1] #4106270 05/25/16 12:28 PM
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asand1 Offline OP
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It is still around with some hardcore hobbyists. Not much local action, but I intend to talk skip and interact on road trips.


2004 GMC Yukon SLuT
Re: CB install '98 F250ld [Re: asand1] #4106277 05/25/16 12:31 PM
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AlaskaMike Offline
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Looks like a nice install! Good choice for wire gauge and fusing near the power sources, and I like how you made the brackets. I might try to put some kind of covers on the terminals, but you may have left them uncovered just for the photos.

Ham radio is pretty active here in Alaska, but about the only CB activity we have is along the "haul road" from Fairbanks up to the North Slope.

Re: CB install '98 F250ld [Re: asand1] #4106331 05/25/16 01:18 PM
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asand1 Offline OP
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Yeah I have some vacuum caps I was going to but over the studs behind the seat.


2004 GMC Yukon SLuT
Re: CB install '98 F250ld [Re: asand1] #4106389 05/25/16 02:24 PM
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BubbaFL Offline
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Why do you feel the need to use a 100W linear amplifer on a band where the maximum legal power is 4W ?

Re: CB install '98 F250ld [Re: asand1] #4106395 05/25/16 02:29 PM
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asand1 Offline OP
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For the same reason I drive 5-10 MPH over the limit. Because I can and no one cares. The FCC does not enforce CB any more, unless someone is causing trouble. Channel 6 (the Superbowl) is full of guys running 10,000 watts, I don't think my 100w is going to hurt anyone.

Did I mention I have coast guard, air force, and other military channels as well as FCC channels?

I will not be using my radio to be a nuisance. The Amplifier will only come on when I am parked on a hill talking skip.

Last edited by asand1; 05/25/16 02:34 PM.

2004 GMC Yukon SLuT
Re: CB install '98 F250ld [Re: Donald] #4106490 05/25/16 04:18 PM
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hatt Online Content
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Originally Posted By: Donald
Who do you talk to on a CB these days? I had on in the mid to late 1970s but not since.
CBs come in handy riding trails in the middle of nowhere with more trees than cell towers.


2013 F150 5.0, Delo 400 XSP 5W-40, Wix 57502
2010 Camry 2.5, PP 10W-30, Mobil1 M1C-251A
Re: CB install '98 F250ld [Re: asand1] #4106521 05/25/16 04:51 PM
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sprite1741 Offline
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I went with the in dash look. Mostly use mine to talk skip or chat with a few locals.



2005 Grand Prix GXP 5.3L Supertech Synthetic Dexos 5w30 Fram Ultra 3506
1986 Dodge Lancer 2.2L Turbo, Supertech Synthetic 10w30 Fram Ultra 3614
Re: CB install '98 F250ld [Re: asand1] #4106597 05/25/16 06:27 PM
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04SE Offline
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That Larson probably isn't rated for all that much power. You already have a hole, find a wilson 1000 or even 5000 if funds allow.

I have talked all over the US, Canada, Mexico & even some islands on 20 watts SSB. I don't know that my radios ever leave SSB. I have an old KL-203 that helps me through the noise with around 100+ watts. My old A-99 is about shot from sun damage.

For the longest time I talked on a 102" whip with home made radials on a base. I think the 102" with 6" spring worked better than my A-99.


Life's little problems can be solved with a shovel and silence.
Re: CB install '98 F250ld [Re: BubbaFL] #4106623 05/25/16 06:41 PM
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Garak Offline
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Originally Posted By: BubbaFL
Why do you feel the need to use a 100W linear amplifer on a band where the maximum legal power is 4W ?

Good memory! I haven't heard the four watt limit mentioned for forever and a day!


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: CB install '98 F250ld [Re: 04SE] #4106650 05/25/16 07:01 PM
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asand1 Offline OP
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Originally Posted By: 04SE
That Larson probably isn't rated for all that much power. You already have a hole, find a wilson 1000 or even 5000 if funds allow.

I have talked all over the US, Canada, Mexico & even some islands on 20 watts SSB. I don't know that my radios ever leave SSB. I have an old KL-203 that helps me through the noise with around 100+ watts. My old A-99 is about shot from sun damage.

For the longest time I talked on a 102" whip with home made radials on a base. I think the 102" with 6" spring worked better than my A-99.


The max limit is 150w. The Wilson requires a 7/8" hole where the NMO mounts are only 3/4". There are a few NMO antennas that are rated closet to 250w, and a teardrop or puck with a 102" whip would perform best. I would rather keep it shorter to avoid damage though.


2004 GMC Yukon SLuT
Re: CB install '98 F250ld [Re: asand1] #4106720 05/25/16 08:17 PM
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caravanmike Offline
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Brings back old memories of my 1011d base station with 350 watt amp.. Long time ago. Are those toggle switches for upper and lower channels?

Last edited by caravanmike; 05/25/16 08:18 PM.

Oils I use: Any 5w-30,5w-20 conventional

Re: CB install '98 F250ld [Re: caravanmike] #4106806 05/25/16 09:49 PM
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asand1 Offline OP
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Originally Posted By: caravanmike
Brings back old memories of my 1011d base station with 350 watt amp.. Long time ago. Are those toggle switches for upper and lower channels?


10-4


2004 GMC Yukon SLuT
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