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mcma1

Member Since: 16 Oct 2012
Location: Northern Ireland
Posts: 2925

What have I Broken!

So I need to move the alpine sub to the rear cubby. Clip the connector off, made up an extension, all soldered etc, connected all up and no bass! One thing I noticed when I clipped the connector off I heard a little 'click' like a fuse going from the centre of the dash. Have I blown something in the headunit? The engine was off. All else is working as before but I am stumped. Andy

2014 Fuji 110 SW LS3
https://www.defender2.net/forum/post751233.html#751233

2014 Corris 110 SW
http://www.defender2.net/forum/topic40056.html

My old Xtech 90 build..
http://www.defender2.net/forum/topic15681.html

LS3 V8 build...
http://www.defender2.net/forum/topic49051.html

8th Sep 2016 11:52am

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20583

Did you not disconnect the battery before doing electrical work?

8th Sep 2016 11:58am

mcma1

Member Since: 16 Oct 2012
Location: Northern Ireland
Posts: 2925

School boy error, NO Andy

2014 Fuji 110 SW LS3
https://www.defender2.net/forum/post751233.html#751233

2014 Corris 110 SW
http://www.defender2.net/forum/topic40056.html

My old Xtech 90 build..
http://www.defender2.net/forum/topic15681.html

LS3 V8 build...
http://www.defender2.net/forum/topic49051.html

8th Sep 2016 12:01pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20583

Ooops.

Yes, most likely a fuse.
Possibly down to the blue 12v rmte or the amp main fuse, just check them and see what is what.
The click definitely sounds like a short or fuse blowing.

If your HU is working and not the bass that would suggest the amp primary power supply.
Fuse should be near the battery .inline.

8th Sep 2016 12:12pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20583

Oh forgot to mention, with the fuses if for any reason you cannot physically see they are in-tact or blown continuity check them with a multimeter the amp fuse is usually an AGU or AFS fuse.
Normally you can fairly easily see.
If it's the HU usually a standard blade fuse or mini blade.

You should have any issues finding a blown fuse.

8th Sep 2016 12:17pm

mcma1

Member Since: 16 Oct 2012
Location: Northern Ireland
Posts: 2925

You are correct, lost the 12v from the purple brown feed into the amp connector, but where is the fuse, that's the next issue!!

Andy

2014 Fuji 110 SW LS3
https://www.defender2.net/forum/post751233.html#751233

2014 Corris 110 SW
http://www.defender2.net/forum/topic40056.html

My old Xtech 90 build..
http://www.defender2.net/forum/topic15681.html

LS3 V8 build...
http://www.defender2.net/forum/topic49051.html

8th Sep 2016 12:28pm

mcma1

Member Since: 16 Oct 2012
Location: Northern Ireland
Posts: 2925

Could this fuse be stuck right behind the dash?? Andy

2014 Fuji 110 SW LS3
https://www.defender2.net/forum/post751233.html#751233

2014 Corris 110 SW
http://www.defender2.net/forum/topic40056.html

My old Xtech 90 build..
http://www.defender2.net/forum/topic15681.html

LS3 V8 build...
http://www.defender2.net/forum/topic49051.html

8th Sep 2016 1:17pm

mcma1

Member Since: 16 Oct 2012
Location: Northern Ireland
Posts: 2925

Gave up! I just took a new 12v battery feed from my blue sea fuse box. That ok? Andy

2014 Fuji 110 SW LS3
https://www.defender2.net/forum/post751233.html#751233

2014 Corris 110 SW
http://www.defender2.net/forum/topic40056.html

My old Xtech 90 build..
http://www.defender2.net/forum/topic15681.html

LS3 V8 build...
http://www.defender2.net/forum/topic49051.html

8th Sep 2016 2:56pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20583

Yeah, that's fine so long as the cable and fuse is rated higher current than the Amp.

Amp powers fuse should be nearest the battery at least for a passive set up.
On an active amp sometimes on the rear of the unit.

But yes, fuse could be behind the dash.

A case of tracing the wiring, if it's a lower draw Amp and configured as more plug and play then it could well be different.

Either way, so long as cable is rated high enough and fused adequately you'll be fine.

8th Sep 2016 3:57pm

mcma1

Member Since: 16 Oct 2012
Location: Northern Ireland
Posts: 2925

Well I could trace no more, had the entire dash out!

All working now with the new feed,what size of fuse would you think for this feed mate? Andy

2014 Fuji 110 SW LS3
https://www.defender2.net/forum/post751233.html#751233

2014 Corris 110 SW
http://www.defender2.net/forum/topic40056.html

My old Xtech 90 build..
http://www.defender2.net/forum/topic15681.html

LS3 V8 build...
http://www.defender2.net/forum/topic49051.html

8th Sep 2016 6:49pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20583

What sub / amp are you running? I'm guessing active set up?

I can look it up for you.

8th Sep 2016 6:53pm

mcma1

Member Since: 16 Oct 2012
Location: Northern Ireland
Posts: 2925

It's the factory Alpine. Andy

2014 Fuji 110 SW LS3
https://www.defender2.net/forum/post751233.html#751233

2014 Corris 110 SW
http://www.defender2.net/forum/topic40056.html

My old Xtech 90 build..
http://www.defender2.net/forum/topic15681.html

LS3 V8 build...
http://www.defender2.net/forum/topic49051.html

8th Sep 2016 7:02pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20583

I'd go for 10 gauge cable and a 20A fuse. I prefer ANL fuse holders and fuses over AGU.
More reliable, less problematic.

8th Sep 2016 7:37pm

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