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Install help

By amp0804 · Jul 28, 2007in General💬 17 posts👁️ 4,261 views
Posted Jul 28, 2007 · 18:29 UTC#1

So I am installing a Jensen vm9312 head unit in a friends 2003 Audi A4...but with Audi's gay wiring ive decided to just hardwire it. What I need help with is deciding where to hook up my Constant, 12V and Ground...If anyone can help please let me know. TIA

Posted Jul 28, 2007 · 20:03 UTC#2

Blose or non blose. Oh and hardwiring bad idea. Use a harness.

Posted Jul 28, 2007 · 21:01 UTC#3

bose symphony II ....ive had all the harness none of them match up the specific wires on the stock ISO

Posted Jul 28, 2007 · 21:26 UTC#4
Blose or non blose. Oh and hardwiring bad idea. Use a harness.

 

haha yeap

Posted Jul 28, 2007 · 21:31 UTC#5

I would honestly be glad too if someone can point me in the right direction for the actual CORRECT harness that plugs right into the stock one. I have the harness for the amp ISO already all I need is for the power block ISO

Posted Jul 29, 2007 · 03:56 UTC#6

70-1787 is what I have listed for the blose symphony in that car.

Posted Jul 29, 2007 · 04:10 UTC#7

Yeah and I had that harness connected and it doesnt work...The pins dont match up

Posted Jul 29, 2007 · 04:15 UTC#8

which pins

Posted Jul 29, 2007 · 04:21 UTC#9

12v, constant, ground

Posted Jul 29, 2007 · 04:23 UTC#10

Can you take a picture of the harness in the vehicle. Cause from what I remember of those cars, that's the harness I've used in the past.

Posted Jul 29, 2007 · 04:26 UTC#11

not at this moment car is back at the shop but hold on maybe i can find a picture

Posted Jul 29, 2007 · 04:37 UTC#12

so i cant find a picture but basically there is 2 on the stock harness one of them is a long rectangle which supplies the amped front and rear speakers then the short black one is which carries the constant, the 12v, ground, illumination

Posted Jul 29, 2007 · 04:46 UTC#13

the black plug has 2 rows of 4 pins each. May not have wire in each location, but there's 8 total holes?

 

Looks something like half of this plug?

http://www.installer.com/item/display_i ... it=71-1784

Posted Jul 29, 2007 · 04:51 UTC#14

yeah its half of that block with i think only 5 wires going into it

Posted Jul 29, 2007 · 04:53 UTC#15

THen that harness should work for you. Constant and accy may be backwards, but it's the right plug.

Posted Jul 29, 2007 · 05:01 UTC#16

well its not considering i had the audi one and vw one and neither worked thats why i want to just hardwire it

Posted Jul 30, 2007 · 03:18 UTC#17

just get out a meter and test for it.. its 3 wires..