G35 Sedan V35 2003-06 Discussion about the 1st Generation V35 G35 Sedan

Dash backlight and radio cuts out over bumps

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Old Feb 23, 2021 | 07:55 AM
  #1  
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G35
Dash backlight and radio cuts out over bumps

Originally Posted by The Beaves
So I'm new to this forum. And this sweet car! 2003 g35. I just got it yesterday and have a issue. if I hit a bump. All dash backlights go out. Stuff like cruise control light still works. And the radio is just. Off. No sound no nothing. Itll "turn back on" of you hit another bump. Any ideas?
Bad or loose ground connection, poor connectivity in a wiring harness connector, corrosion in a wiring harness, did anything get wet at one time?
You need to do a careful inspection.. Have a multi-meter handy so you can start tracing when it happens.
Download the FSM for your vehicle and start at the fuse that controls the dash lights.
It is simple electric tracing battery and ground

Good luck
 

Last edited by telcoman; Feb 23, 2021 at 08:41 AM.
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Old Feb 23, 2021 | 09:14 AM
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Hah, I see what happened there Yes it's probably a loose wire, follow Telcoman's advice.
 
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Old Feb 23, 2021 | 02:10 PM
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Originally Posted by The Beaves
Bad or loose ground connection, poor connectivity in a wiring harness connector, corrosion in a wiring harness, did anything get wet at one time?
You need to do a careful inspection.. Have a multi-meter handy so you can start tracing when it happens.
Download the FSM for your vehicle and start at the fuse that controls the dash lights.
It is simple electric tracing battery and ground

Good luck
I dont know about the water. Like i said. I just bought this car two days ago. Where would the ground I'm looking for be? And I'm guessing a FSM is a factory service manual?
 
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Old Feb 23, 2021 | 06:41 PM
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Here's a link to Nicoclub who hosts the FSM's for free.

https://www.nicoclub.com/infiniti-service-manuals
 
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Old Feb 24, 2021 | 09:57 PM
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Originally Posted by The Beaves
Bad or loose ground connection, poor connectivity in a wiring harness connector, corrosion in a wiring harness, did anything get wet at one time?
You need to do a careful inspection.. Have a multi-meter handy so you can start tracing when it happens.
Download the FSM for your vehicle and start at the fuse that controls the dash lights.
It is simple electric tracing battery and ground

Good luck
also I cant trace as it happens when driving
 
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Old Feb 25, 2021 | 05:53 AM
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Front and rear cameras, tire pressure for all four tires can display on screen,folding side view mir
Originally Posted by The Beaves
also I cant trace as it happens when driving
Follow the FSM and check every connector in the wiring harness.
Check every pin for voltage where it should be.
Check every pin for ground where it should be.
Any corrosion anywhere?
You may very well stumble upon the source?

Good luck
 
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Old Mar 1, 2021 | 03:27 PM
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Sedan with Bose, Sport Suspension
If it is a stock Bose unit, they were recalled because of a circuit board issue. I have 3 2003-2004 G35 and they all have upgraded HU’s now. Hopefully just the loose wire causing it, not that it’s a fun gremlin to chase.
 
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