Quote:
Originally Posted by Fountainhead
Measure the blue/white wire on the receiver/head unit before you connect to the antenna adapter power lead, and then after. Many radios only turn on ANT lead power if AM/FM is selected. The current is limited on the ANT power lead so it could be activating current limit if something is shorted on the harness/ANT adapter you are using...Wild-*** Guesses.
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This is true in some cases, but here the Head unit has an amplifier turn on lead, and not an antenna lead.
Good looking out, though. I've encountered that issue a few times myself when trying to power amps off of antenna leads..
