after market radio: no sound and no NBS relay installed ?
#1
after market radio: no sound and no NBS relay installed ?
Hi Guys,
Yesterday I installed an aftermarket radio in my 2005 grand voyager limited 2.8CRD. Purchased all the required (iso & antenna) connectors and everything seems to work fine except of course: no sound.....
I scanned this forum for possible solutions and was planning to connect a wire from the radio directly to the NBS relay as suggested in a post on this forum and this Youtube post:
to activate the amp.
I opened the fuse box to discover that there is no NBS relay installed ?
But the original factory unit worked OK without relay installed, but aftermarket unit produces no sound. Does this mean there is no amp installed ?
How can I fix this ?
can I use any of the other relays to test this solution ?
My factory unit is a P05091610AC radio/cd. The only pin in the cars connector not connected at this moment is the one marked J1850 (nr 24)
Thanks.
Yesterday I installed an aftermarket radio in my 2005 grand voyager limited 2.8CRD. Purchased all the required (iso & antenna) connectors and everything seems to work fine except of course: no sound.....
I scanned this forum for possible solutions and was planning to connect a wire from the radio directly to the NBS relay as suggested in a post on this forum and this Youtube post:
I opened the fuse box to discover that there is no NBS relay installed ?
But the original factory unit worked OK without relay installed, but aftermarket unit produces no sound. Does this mean there is no amp installed ?
How can I fix this ?
can I use any of the other relays to test this solution ?
My factory unit is a P05091610AC radio/cd. The only pin in the cars connector not connected at this moment is the one marked J1850 (nr 24)
Thanks.
#2
Don't think the NBS relay is applicable to the 2,8's sound system.
The factory system outputs just 2 channels (L+R) which go to the amplifier. The amplifier is controlled by a data signal along the PCI bus from the head unit. The amplifier then distributes the L+R signal to all 6 speakers.
When I replaced my, I ran two extra cables from the new head unit and connected them to the rear speakers and used the existing L+R to feed the front speakers. I just removed the amp, cut the connectors off and joined the speaker wires directly.
The circuit diagrams can be found here
https://drive.google.com/folderview?...0k&usp=sharing
Regards
Richard
The factory system outputs just 2 channels (L+R) which go to the amplifier. The amplifier is controlled by a data signal along the PCI bus from the head unit. The amplifier then distributes the L+R signal to all 6 speakers.
When I replaced my, I ran two extra cables from the new head unit and connected them to the rear speakers and used the existing L+R to feed the front speakers. I just removed the amp, cut the connectors off and joined the speaker wires directly.
The circuit diagrams can be found here
https://drive.google.com/folderview?...0k&usp=sharing
Regards
Richard
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