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power wires touched, amp fried?


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geepherder 
Platinum - Posts: 3,668
Platinum spaceThis member consistently provides reliable informationspace
Joined: October 27, 2003
Posted: November 09, 2006 at 8:06 PM / IP Logged  
Once driving home in my old Honda the car died and would not start. I had to buy a new battery to limp it home. I got frustrated troubleshooting it. 16+ volts at the alt, 10 volts at the battery with the car running. As it turns out, the fusible link from the alternator to battery had a hair line crack all the way through. My suggestion is if you have any weird new problems with the system, try replacing the fuse.
My ex once told me I have a perfect face for radio.
maliboom 
Copper - Posts: 111
Copper spacespace
Joined: October 27, 2006
Location: Canada
Posted: November 12, 2006 at 11:35 AM / IP Logged  
Also check your cap it may look fine but under a load it mould give out. mine did this and it cost me alot of money. I replaced wires fuses and my amp before finding out it was the cap. cost me alot of money, but gave my some experience in proper trouble shooting. Try hooking it up without the cap.
master5 
Silver - Posts: 1,123
Silver spacespace
Joined: October 10, 2006
Location: United States
Posted: November 12, 2006 at 12:55 PM / IP Logged  

Yes, agreed..

a fuse can "partially" blow. I don't really think that is the correct terminolgy however what can happen is the fuse burns but leaves a hair (like geep above) or a gap small enough for current to actually arc across. This can be misleading.

Another thing I see all the time is a "bad" fuse as oppossed to a "blown" fuse. The connection itself is open, but to the eye it looks perfect.

Recently I had a run of defective fuses...they metered ok but with any load placed on them would not allow any flow. This drove me a little nutty because a bunch of them in a row, brand new, were doing this. But because I use a METER to test everything I knew the meter doesn't lie. I tried a fuse I had in my toolbox and everything worked perfectly. So yes..this does happen.

Also, I usually don't say "I told you so's" but in this case it is a good one...I told you the amp was most likely good and glad to see it is. Use a meter to find the problem..it's usually something really simple and inexpensive to correct.

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