Originally Posted by itsajeepthing.
I have a 92 wrangler and im trying to switch over my amp and speakers from my old vehicle. it has an after market stereo and the "radio" spot in the fuse box is empty, although the radio still works. i was under the impression that all fuse's had two "prongs" but the spot in my fuse box only accepts a single prong..
My question being, is there a specific fuse i need to buy to put in there so that i can put my remote wire into the "radio" fuse spot, and will it be able to send the signal to my amp and correspond with my after-market radio?
those "one sided fuse ports" are usually aux power ports, and "share" a fuse with something else (if it says "radio", then it probably shares the radio's fuse, and might be exactly what you need for a remote line, but test it first)
Being aftermarket, your radio may have an inline fuse, or it may have been added to a different fuse (cig lighter is common). yank one at a time until the radio stops working and that's your fuse.
Then check the "one sided fuse port" for power with and without that fuse in. If the power shuts off on the one sided port with the fuse out, then use the remote line in the aux fuse port with a simple flat male spade.