Kobeck,

I would think you have one GP with a dead short. Check the GP with an Ohmeter and look for the one with much lower resistance than the others. You will need a digital Ohmmeter to do this.

I you don't have an ohmeter, you might disconnect all the GP wires except one and energize the GP one at a time to see if one blows the fuse. If one blows the fuse, that's the bad one. However, this might not work because without the other GP working, there might not be enough current drawn by the shorted GP alone to blow the fuse.

Use this test if the above test does not work: Disconnect one GP and energize the GP. Repeat this procedure until the fuse doesn't blow. That then is the shorted GP. You will need about 5 extea fuses but they are inexpensive.

The test below is the ultimate test but you must remove the GP to perform the test: Remove the GP one at a time and connect them directly across the battery terminals using 2 Vice Grip pliers. The one that draws a lot of current (large spark when connected) and doesn't glow, is the shorted plug. Be careful, the GP get very hot.

Cancel the order for the new GP relay. When you find the shorted GP, you won't need it.

I don't believe the problem is related to the Ham radio in the lighter socket either. 11 amps might less than the lighter draws and its a separate circuit.

P E H