GR300 Upgrade Radio Help

[WQWG712]

re

Well you found the fuse, good. However in your picture it shows the fuse cut and lifted. This is done to enable ignition sense. When this is done, not only do you have to power the red lead, but you also have to apply 12 volts on pin 10 of the accessory connector to get the radio to come on. Swapping the controllers may not give the 12 volts on pin 10 that you'd need. This would look like a dead radio.

Use an omelet to see if it's still good. If it is, just tack solder it back onto the board. Now you don't need worry about pin 10.

If it is a bad fuse, I just went to Amazon and searched "Pico fuse" and a bunch came up.

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Now im confused!

This radio was used in a Repeater.

I did notice a Blue Wire on the repeater cable pulled out and bend back and zip tied like it was done on purpose.

To be honest with you, I was given this repeater so i dont know its history.

I just know the repeater and radios worked. I took the repeater to a shop to get duplexer and radios re tuned.

When repeater/Radios was ready for pick up, the dealer told me the Rick controller repeater repeater switch was loose and kinda bad. They had to wiggle it to keep repeater working.

I told the dealer i had another GR300 repeater with 2 GM300 radio inside. The repeater i took to dealer was a GR300 with 2 M120 radios.

The dealer told me i could use the controller off the GM300.

I went home, plugged in the repeater and it worked. I unplugged it and swapped out the rick controllers and
then turned the repeater on and then radios wouldnt turn on.

I tried powering both M120 on different PSU and radios was dead.

I Assumed the wrong Rick caused radios to die. I then noticed that Blue wire on one cable was exposed but zip tied back like it was done on Purpose.

I dont believe i put cables in wrong way.

I taken radios to shop and this is picture they showed me. They Soldered the part back i think and both radios worked.

Not sure whats going on and how did this happen?

 

[Wiregeek]

I built one of these horrible little units up with XPR mobiles, just for the halibut.

now I want breakfast!