Rainman215 Posted May 12, 2010 Report Share Posted May 12, 2010 An alpine type r that my friend has installed in his car just stopped working yesterday. What are things I should check for when I take it out of the box. My plan so far is to use a 10" sub i have and wire it to his amp to determine if its the amp thats messed up. If that isnt the problem then I was gonna check his tensils on the sub. I just need a few more troubleshooting tips. My 02 Accord Wall Build 2 Sundown Audio Nightshade V1 18s --- 1 SAZ 3500 Sundown Audio 100.4 --- 4 Sundown Audio Neo-Pro 8s Sundown Audio 125.2 --- 2 Morel MD-12 Tweeters , 2 Selenium ST-200 Tweeters DC Power 270xp --- 4 XS Power D1200s | 1 D5100R Link to comment Share on other sites More sharing options...
Team_DC-Derrick Posted May 12, 2010 Report Share Posted May 12, 2010 a multimeter set to ohms and check if both coils are still reading, or none at all The DC Integra 3 18s to 6 15 build log Team_DC-Derrick's Youtube Team DC Audio where theres a will theres a wall....... I just realized Steve has reach Voldemort status, over on JP's site he is the one who will not be named....."We dont speak his name over here, fearing it will destroy us" LOL not even in hush tones Link to comment Share on other sites More sharing options...
herbykw Posted May 12, 2010 Report Share Posted May 12, 2010 Che k the wires and fuses. Use a DMM on the terminals of the sub to check the coil. Smell for anything stinky/burnt. Then if you still want plug your sub into the Amp 06 300C 5.7 Hemi K&N CAI JVC KW-AVX640 6.1" DVD DC Audio 3.5k 6 DC Audio 8"s 6 cubes 8" aero port at 32hrtz http://www.stevemeadedesigns.com/board/topic/183798-chrysler-300c-8-build/?p=2731834#entry2731834 Link to comment Share on other sites More sharing options...
Neo_frog Posted May 12, 2010 Report Share Posted May 12, 2010 If it straight up stopped playing, I'd check the visuals first. Amp turning on, fuses, obvious disconnections, etc. If all's well there, check the impedance of the box terminals, should be 1 to 4 based on your coil configuration. If you're getting O/L (overload meaning no connection) or 0 (dead short), then pull the sub out and check the internals. My method is get the easy stuff out of the way before jumping right in. Need an install? Hit me up.[email protected]Got car audio questions? Check here first!Everything you need to know. =]http://www.stevemeadedesigns.com/board/topic/83029-everything-you-need-to-know/ Link to comment Share on other sites More sharing options...
Rainman215 Posted May 12, 2010 Author Report Share Posted May 12, 2010 I havent gotten to his car yet but he says when you turn it up the sub cuts off but if its played at low volume it stays on... Does that help narrow anything down? I dont feel like going over there just to come back home and realize i didnt do the one troubleshooting idea that i shouldve. My 02 Accord Wall Build 2 Sundown Audio Nightshade V1 18s --- 1 SAZ 3500 Sundown Audio 100.4 --- 4 Sundown Audio Neo-Pro 8s Sundown Audio 125.2 --- 2 Morel MD-12 Tweeters , 2 Selenium ST-200 Tweeters DC Power 270xp --- 4 XS Power D1200s | 1 D5100R Link to comment Share on other sites More sharing options...
kmalinich Posted May 13, 2010 Report Share Posted May 13, 2010 I havent gotten to his car yet but he says when you turn it up the sub cuts off but if its played at low volume it stays on... Does that help narrow anything down? I dont feel like going over there just to come back home and realize i didnt do the one troubleshooting idea that i shouldve. sounds like a low voltage issue. could be alternator or battery taking a dump, or shitty ground... or clipping on the amp... Link to comment Share on other sites More sharing options...
David78 Posted May 13, 2010 Report Share Posted May 13, 2010 Damnit k-dice. You beat me to it, but yeah basically what k-dice said. ...............................____ ...............__________|___\____ ..;.;;.:;:;.,;.|__(O)____|____/_(O) 1978 F-150 Ranger Lariat 2 Sets of Sound-stream Components Sony Head-unit DDM Tuning 8000k's Euro Headlights (Projectors Soon) Green Led Wheel Wells Dark Red Tails Tint Link to comment Share on other sites More sharing options...
Loudcivic Posted May 13, 2010 Report Share Posted May 13, 2010 could be a bad coil on the sub and when he turns it up it kicks the amp into protect mode. ive had a couple subs do this to me 2015 silverado crew cab nothing atm but soon... Link to comment Share on other sites More sharing options...
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