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No start acc cigar and aux power fuse short?

Old 03-09-2019, 09:37 AM
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No start acc cigar and aux power fuse short?

Hi guys,
My car wont start. I was playing music with the key in the on position this morning when my dd metra kited android radio went blank along with my display. I have my subwoofer's remote wire attached to it via the leg of a 5amp fuse in the acc slotp. I cant find 7.5 in stores. It blows 1 or 2 times a week. Not sure if it's the metra kit the sub or something else.
When the key is in acc position i get no power from the ac acc aux or cigar fuses, but when in the on position I get 7v from all except the ac position which reads 12.
Checked my eng ignition fuses fine engine comp fine. No clicks no sounds nothing. I think i fried something.
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Old 03-09-2019, 10:00 AM
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7V sounds like you have a few loads wired in weird series on a 12v source. Instead of all loads wired directly to 12v.

Did you always get 7V there or is this new?

It's been years since I did audio but shouldn't the remote wire be on a light duty switch? Even 5 amps sounds like way too much for that purpose.

Long story short, I would start disconnecting components one by one until it works or the behavior changes somehow.
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Old 03-09-2019, 10:32 AM
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7v sounds like what happens when you put 12v on the + wire and 5v on the - wire of something.
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Old 03-10-2019, 03:58 AM
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Forgot to mention that the 12v cigarette lighters stopped charging my phone but the fuse never blew. Maybe that's a clue.
i disconnected the sub. The lcd display works but the car still wont start.Which fuse connect s that clutch switch that turns the car on?
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Old 03-10-2019, 05:39 PM
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It was the Jcase ACC fuse in the engine bay. car fired right up after replacement. Have to return the 2 clutch switches i bought from the junk yard
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Old 03-10-2019, 07:37 PM
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Glad you solved it but this isn't a great sign. Something in your audio setup is wired wonky. Fuses are meant to protect you from fires, so if the ACC fuse or any other keeps blowing, you really need to find the problem before problems find you.
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Old 03-11-2019, 08:48 AM
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Originally Posted by Loki View Post
Glad you solved it but this isn't a great sign. Something in your audio setup is wired wonky. Fuses are meant to protect you from fires, so if the ACC fuse or any other keeps blowing, you really need to find the problem before problems find you.
Agreed
You'll see me back here either way.
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