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2nd December 2011, 09:10 AM
#11
Expert
Hey guys, pin c is already connected to the body, it is the only wire on the new system that cam with a lug already connected to it. I used a multimeter to make sure the place i connected ot to was a solid ground ( ie good connection betwen there and the rest of the car)
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2nd December 2011 09:10 AM
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2nd December 2011, 09:10 AM
#12
Originally Posted by
NewDan
The new system had a blue wire marked factory amp turn on... I took the wire from the M pin and connected it to that. The wiring was the same as the top picture except the colours were different, so I used a multimeter to confirm "hot all the time"... "hot in acc" ect . the speakers were easy because they came out of the dash in 4x two core cables and went to the same pins as the drawings.
That should power up the amps, you may just want to check this wire has 12 volts when the stereo is turned on.
It's strange you are getting no sound at all.
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2nd December 2011, 09:16 AM
#13
Originally Posted by
NewDan
Hey guys, pin c is already connected to the body, it is the only wire on the new system that cam with a lug already connected to it. I used a multimeter to make sure the place i connected ot to was a solid ground ( ie good connection betwen there and the rest of the car)
A) So are you using pin "C" in the plug itself or are you running the neg wire from your new unit directly to the body?
B) turn on your parkers & see if your dash lights themselves are still working?
Last edited by patch697; 2nd December 2011 at 09:28 AM.
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3rd December 2011, 10:23 AM
#14
Expert
The pin C wire ( -ve black on the new system) runs direct to the body, have checked and its a solid connection to the body. I would think of there was a problem with this the unit wouldn't power up. Dash lights and parkers all working ok. I'm going to pull it apart this weekend and check there is 12 volt on the amp power cable and have a fish around again. If all else fails I may just run wires direct to the speakers.
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3rd December 2011, 01:42 PM
#15
Originally Posted by
NewDan
The pin C wire ( -ve black on the new system) runs direct to the body, have checked and its a solid connection to the body. I would think of there was a problem with this the unit wouldn't power up. Dash lights and parkers all working ok. I'm going to pull it apart this weekend and check there is 12 volt on the amp power cable and have a fish around again. If all else fails I may just run wires direct to the speakers.
Good stuff mate, there is a problem with fitting after market head units into Patrols where unless the after market replacement unit is interdependently grounded to the body they back feed through the factory loom Neg/ground pin & blow the fuse for the dash lights & yet they still power up but at a lower voltage (just enough to illuminate the face normally) which gives a false impression its fully powered up so I was only making sure we ruled that one out first.
Let us know how you get on & if your drawing blanks we can try to help you further.
All the best mate.
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4th December 2011, 10:57 PM
#16
Expert
Just had a thought, the -ve ran to the pin C on the old unit. The new unit obviously has no pin C just a black wire coming out of it with a lug that I connected to the ground, and the wire I cut off the pin C is now just insulated and floating ( thought no reason to connect to the black wire as it had a lug on it for direct connection to the body. The amp unit is a plastic unit bolted under the seat so how does the amp get it's -ve. Could it be it would need it through the wire at pin c. I thought of it as sort of a -ve in for the old head not as a -ve going out to the amp. So would connecting that wire that was origonally at that pin direct to the body give the amp a -ve. Or would i blow the thing to Patrol heaven. (Is that what you were asking with your A) question patch?)
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4th December 2011, 11:10 PM
#17
I wouldn't think so mate cos when pin "C" is connected directly to the body it blows the dash light fuse but I don't have the amp you run in yours so I can't be 100% on that either... Mr Nissan did some strange things that just defied logic.......lol
If your positive you've wired it all up correctly then I'd do as Yender recommended & & check you have 12v at pin "M" first.
Just a question? Did you say your new unit had 2x blue wires, one being power antenna the other being amp?
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4th December 2011, 11:23 PM
#18
Expert
Just one blue wire , marked for use with either amp or antenna. Ive just been doing some reading on the net. Installdr.com has a section that says the premium systems are very hard to get the speakers working on when you do an aftermarket change over on. During the week I'll see how hard it is to get the door trims off and run wire directly from the speakers to the new pioneer unit. Im not overly fussed with the amp as im sure the levels without it will be ok for my untrained ear lol.
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4th December 2011, 11:33 PM
#19
Originally Posted by
NewDan
Just one blue wire , marked for use with either amp or antenna. Ive just been doing some reading on the net. Installdr.com has a section that says the premium systems are very hard to get the speakers working on when you do an aftermarket change over on. During the week I'll see how hard it is to get the door trims off and run wire directly from the speakers to the new pioneer unit. Im not overly fussed with the amp as im sure the levels without it will be ok for my untrained ear lol.
Im thinking along the lines that your new units output is to high for the factory amp & its clipping which can be overcome but Im tipping you'll find your new unit has as much power output as the factory amp, maybe even more so I'd go with your direct speaker hookup idea.
Do you have factory power windows, central locking or power mirrors in your jigger?
Last edited by patch697; 5th December 2011 at 12:14 AM.
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Yendor (5th December 2011)
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4th December 2011, 11:48 PM
#20
Expert
Yeah mate all that... I think its standard in the Ti
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