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<blockquote data-quote="Thechemist" data-source="post: 6678240" data-attributes="member: 619465">Hi all, I&#039;m new here, I&#039;m a keen car enthusiast from the UK and have a problem with my JBL monoblock amplifier which seems to have me and my mates confused.I have 2 JBL grand touring amps running off a distributor block and a single remote wire split, one amp powers the front components and the other powers the sub. I noticed today that my sub wasn&#039;t working, so I pulled up on the next service station to have a look thinking it was a loose terminal. But I noticed right away there was no blue light on the monoblock amp or any protection mode light. I checked the power, ground and signal connections, all was well. I then had a look at the fuse on the distributor block, and swapped it around for the one for the multichannel jbl which was working, still nothing, so I had a look at the fuses ontop of the amp, and swapped those around for the working amp, turned out it wasn&#039;t the fuses at all. I&#039;m going to have a look at the RCA tommorow, but would the amp light up with power even without RCA connected?</blockquote>

[QUOTE="Thechemist, post: 6678240, member: 619465"] Hi all, I'm new here, I'm a keen car enthusiast from the UK and have a problem with my JBL monoblock amplifier which seems to have me and my mates confused. I have 2 JBL grand touring amps running off a distributor block and a single remote wire split, one amp powers the front components and the other powers the sub. I noticed today that my sub wasn't working, so I pulled up on the next service station to have a look thinking it was a loose terminal. But I noticed right away there was no blue light on the monoblock amp or any protection mode light. I checked the power, ground and signal connections, all was well. I then had a look at the fuse on the distributor block, and swapped it around for the one for the multichannel jbl which was working, still nothing, so I had a look at the fuses ontop of the amp, and swapped those around for the working amp, turned out it wasn't the fuses at all. I'm going to have a look at the RCA tommorow, but would the amp light up with power even without RCA connected? [/QUOTE]

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