how to check an amp

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jboat71

Member - Posts: 23

Joined: November 29, 2003

Location: United States

Posted: March 02, 2004 at 12:18 AM / IP Logged

i recently installed a clarion 835 & lighting 150x2 in my 92 caprice. ran sub output to amp there is no sound coming from sub. +, -, & ignition are fine [checked with a multimeter]. brought speaker inside it worked on my home sys. what should i check next?

thank you for any help

jboat71

wvsquirrel

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Joined: July 27, 2002

Location: Florida, United States

Posted: March 02, 2004 at 1:16 AM / IP Logged

check your gains on the amp, and your connection from the headunit to the amp.

Squirrel

"No more Cpt. Kirk chit chat"

If its too loud, then you're too old

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jboat71

Member - Posts: 23

Joined: November 29, 2003

Location: United States

Posted: March 02, 2004 at 8:58 AM / IP Logged

can you check them with a voltmeter? they are connected to the hu

jboat71

forbidden

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Joined: November 01, 2003

Location: Alberta, Canada

Posted: March 02, 2004 at 11:48 AM / IP Logged

The lightning audio amp should have 2 led's oon it, one green led for power on and a red led for protection, which one is lit up?

Top Secret, I can tell you but then my wife will kill me.

jboat71

Member - Posts: 23

Joined: November 29, 2003

Location: United States

Posted: March 03, 2004 at 10:42 PM / IP Logged

the red one is lit up is that one protection

jboat71

wvsquirrel

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Joined: July 27, 2002

Location: Florida, United States

Posted: March 03, 2004 at 10:53 PM / IP Logged

If the red protection light is lit, then yes that's the problem. Refer to your manual fo rwhat to do. I'll try and do some research online to see what I can find too. What's the model of the Lightening Audio amp?

Squirrel

"No more Cpt. Kirk chit chat"

If its too loud, then you're too old

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Ravendarat

Platinum - Posts: 2,806

Joined: February 23, 2004

Location: Canada

Posted: March 03, 2004 at 10:54 PM / IP Logged

yep, your amp is in protection. Try unhooking all the speaker wires and then turn the vehicle back on and see if it lights up green or red. If its green than check the sub and see if its unhooked inside the box and the wires are touching each other or the basket. If they arent then check the back of the box and make sure the wires arent touching. If the amp lights up red than you probally have a problem with the amp and need to get it fixed/returned/exchanged or whatever. Before you pull it out though, if it lights up red you can disconnect the remote line and take a wire and jump from the remote to the constant 12 and see if it lights up green. If it does than you have a problem with the remote line. I have seen remote lines that are pinched or had a screw put through them turn an amp on and send it into protection before. I hope this help some

jboat71

Member - Posts: 23

Joined: November 29, 2003

Location: United States

Posted: March 04, 2004 at 12:24 AM / IP Logged

the model is b150.2 i will try the remote line

jboat71

Member - Posts: 23

Joined: November 29, 2003

Location: United States

Posted: March 04, 2004 at 11:33 AM / IP Logged

i bypassed the ignition wire with the speakers disconnected the light is still red

jboat71

sam1

Copper - Posts: 151

Joined: March 03, 2004

Location: United States

Posted: March 04, 2004 at 12:15 PM / IP Logged

sounds like a bad amp to me if the speakers are disconnected and you bypassed the remote wire and it is still in protection.

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