Trying to Trouble Shoot CB Issue???

sbikes · 09-07-2008, 12:31 PM

A few months ago I installed the Cobra 75 WX St in my 07 taco. It worked great up to last week, now it wont even turn on. I've spend my moring checking all the connections and everything looks good. It's connected to my battery so it SHOULD work when the car's on or off, but neither works.
Just wanted to see if anyone had any ideas, or has dealt with this in the past. Thanks

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blackspyder · 09-07-2008, 12:47 PM

1)replace the in line fuse with a 5 amp.
2)run a second ground back to the battery

if neither of those work than take it to your loacl CB shop and have them check it out

Hayes · 09-07-2008, 12:54 PM

I would check the fuse, but I wouldn't put a bigger fuse in. That could make something in the CB short before the fuse, negating the whole point of the fuse. Anyways, check the fuse and then trace all the wires.

sbikes · 09-07-2008, 12:56 PM

I should have mentioned...I did check the fuse and it looks fine

grant526 · 09-07-2008, 01:08 PM

Did you check to see that there is power the the hot side of the fuse? You can do this with a test light or a multimeter.

Did your unit get pulled on recently? Maybe a connection in either end was compromised by getting over extended?

I have the same unit and Love it!

Good Luck!

sbikes · 09-08-2008, 12:29 PM

That's a good though on the test light.
but nothing has been pulled or over streched since its been installed.
I'm going to give cobra a call this week since its still under warrenty.

Thanks for the input

schmooot · 09-11-2008, 06:22 PM

if you have power going into the connector in the back (and providing a solid ground as well) then your problem lies inside the radio

jsn_stockard · 09-11-2008, 06:31 PM

Double check the ground, it needs as good of a connection as the hot

jsn_stockard · 09-11-2008, 06:33 PM

Also check your coax, If it has a raw spot it can fry a cb. Have you ever done a SWR check before it went out?

CashMoney · 09-16-2008, 11:19 PM

Quote:

Originally Posted by jsn_stockard

Also check your coax, If it has a raw spot it can fry a cb. Have you ever done a SWR check before it went out?

yep we've had cb's at work fry on the diesel trucks when an antenna gets broke and SWR's get high. Another thing i've had happen is if they won't talk or recieve the microphone could be bad.

09-07-2008, 12:47 PM	#2 (permalink)
blackspyder Registered User Join Date: Aug 2008 Location: Huddleston, VA Posts: 137	1)replace the in line fuse with a 5 amp. 2)run a second ground back to the battery if neither of those work than take it to your loacl CB shop and have them check it out __________________ 1988 4x4 Pickup ISR/Battery-Intake Swap/216"c" Cam/ EGR removal/

09-07-2008, 12:54 PM	#3 (permalink)
Hayes Registered User Join Date: Apr 2006 Location: Aurora, CO Posts: 1,884	I would check the fuse, but I wouldn't put a bigger fuse in. That could make something in the CB short before the fuse, negating the whole point of the fuse. Anyways, check the fuse and then trace all the wires. __________________ Obama is an acronym. OBAMA = One Big Ass Mistake, America

09-07-2008, 01:08 PM	#5 (permalink)
grant526 Registered User Join Date: Jan 2008 Location: Sacramento area, Ca Posts: 348	Did you check to see that there is power the the hot side of the fuse? You can do this with a test light or a multimeter. Did your unit get pulled on recently? Maybe a connection in either end was compromised by getting over extended? I have the same unit and Love it! Good Luck! __________________ '85 Standard Cab 4.5" HD SuperLift Custom Winch bumper 33x12.50 Mud Rovers Lincoln Locked in the rear; running 5.29s DD's: '87 XJ and '91 Suzuki DR650s Wheel Responsibly, Don't screw it up for the rest of Us. . . ---------------------------------------------------- "Obama is an acronym. OBAMA = One Big Ass Mistake, America" - Thanks for the Quote Hayes

09-11-2008, 06:31 PM	#8 (permalink)
jsn_stockard Registered User Join Date: Feb 2008 Location: Gainesville Texas Posts: 558	Double check the ground, it needs as good of a connection as the hot __________________ www.stockardmaintenancesolution.com Leave the trail a cleaner place than it was before you got there

09-11-2008, 06:33 PM	#9 (permalink)
jsn_stockard Registered User Join Date: Feb 2008 Location: Gainesville Texas Posts: 558	Also check your coax, If it has a raw spot it can fry a cb. Have you ever done a SWR check before it went out? __________________ www.stockardmaintenancesolution.com Leave the trail a cleaner place than it was before you got there

09-07-2008, 12:56 PM	#4 (permalink)
sbikes Registered User Join Date: Sep 2006 Posts: 36	I should have mentioned...I did check the fuse and it looks fine

09-08-2008, 12:29 PM	#6 (permalink)
sbikes Registered User Join Date: Sep 2006 Posts: 36	That's a good though on the test light. but nothing has been pulled or over streched since its been installed. I'm going to give cobra a call this week since its still under warrenty. Thanks for the input

09-11-2008, 06:22 PM	#7 (permalink)
schmooot Registered User Join Date: Jun 2008 Location: Prince George, BC, Canada Posts: 81	if you have power going into the connector in the back (and providing a solid ground as well) then your problem lies inside the radio

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