Question about Harley Davidson 426290 AM/FM Radio

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I have 04 ultra ,radio has static in speakers when brakes are applied or ignition switch is turned on. when bike is off and acesssory swich is on radio plays perfect, when riding eadio is garbled and has static. checked grounds already anddealer cant find problem. have new speakers

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You may have a problem with your alternator.
You should check the voltage when the motor is at a idle and then at a higher rpm.
If the alternator is allowing a unfiltered voltage to bleed through, you will have this type of symptoms. ( in some cases you can add a capacitor to the led )
You also, may want to temporally wire the radio direct to the battery and check with engine running. The reason I feel this may be the solution for you is, most of us have the rotting red flashing beacon.( Brake lite )
If you wire direct and you still have problems with static or garbled output, have the dealer replace the unit.
Hope this works for you and was not a waist of time.!

Posted on Nov 19, 2009

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Posted on Jan 02, 2017

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2008 harley ultra classic


Switch is fine. You have a damaged audio circuit caused by vibration. Check the bikes mounting brackets. probably broken. The radio will need to be repaired. www.ironcrossaudio.com

May 27, 2014 | Harley Davidson 426290 AM/FM Radio

1 Answer

Ignition locked static noise through speakers, dash gauges and lights flickering and no power


Several things 1. was the bat. installed properly ie; cables and wires?
2.The ignition switch may be defective.
3.Last there could be a short.

Nov 19, 2013 | 2006 Harley Davidson FLHX Street Glide

1 Answer

2004 ultra classic when using the starter button will not trn power to starter makes radio light go out and will not start bike does not do this all the time


Hi Anonymous, and the usual suspects are:
1.Ignition/Light Key Switch not in IGNITION position.
2.Engine Stop switch in the OFF position.
3.Discharged battery, loose or corroded connections check negative cable at both ends. (solenoid chatters).
4. Bank Angle Sensor tripped and Ignition/Light Key Switch not cycled to Off and then back to
5. Starter control circuit, relay or solenoid faulty.
6. Electric starter shaft pinion gear not engaging or over-running clutch slipping.
For a prime suspect please visit website below and good Luck.
Harley Diagnostic Codes 04 to Present

Oct 19, 2013 | 2004 Harley Davidson FLHTCUI Electra Glide...

1 Answer

Radio stops when braking


Hi Zee, call, take a ride or trailer your bike over to your local dealers service/parts department, I'm sure they will be happy to take your Harley Davidson for a test ride if necessary/possible and offer professional advice and assistance concerning your issue. Good luck have a nice day.

Jul 22, 2012 | 2008 Harley Davidson FLHTCU Ultra Classic...

1 Answer

I have a 2007 Ultra...while listening to the radio evrything goes quiet...I can flip the speaker selector switch or turn radio off and back on and sound will come back for a few minutes then have to repeat


Switch is fine. You have a damaged audio circuit caused by vibration. Check the bikes mounting brackets. probably broken. The radio will need to be repaired. www.ironcrossaudio.com

Jun 05, 2012 | Harley Davidson 426290 AM/FM Radio

1 Answer

Which wires go to what in the radio


ITEM - WIRE COLOR - POLARITY - WIRE LOCATION
12V - red - POSITIVE - ignition harness
STARTER - white - POSITIVE - ignition harness
IGNITION - red - POSITIVE - ignition harness
ACCESSORY - red - POSITIVE - ignition harness
SECOND ACCESSORY - yellow - POSITIVE - ignition harness
BRAKE WIRE - white - POSITIVE - brake pedal switch
RADIO 12V - red - POSITIVE - radio
RADIO GROUND - black - NEGATIVE - radio
RADIO SWITCH - yellow - POSITIVE - radio
RADIO ILLUMINATE - pink - POSITIVE - radio
POWER ANTENNA - gray/orange - POSITIVE - radio
LF SPEAKER - white - brown - radio
RF SPEAKER - green - orange - radio
LR SPEAKER - yellow - black - radio
RR SPEAKER - orange - blue - radio

Jul 02, 2011 | Hyundai Motor 2003 Elantra

1 Answer

My 2010 Ultra Classic with 200 miles has cd skip. Store bought home made and mp3 all skip. Bike was ok for first 50 miles. Sometimes it switches to the weatherband. Plugged in ipod as alternate and...


Radio switching to weatherband is an indication that the weather alert function of the CB is turned on. If the weather channel transmits an alert signal, it will switch to weatherband. Speakers cutting out may be your VOX setting is too sensitive or the squelch setting on the CB is too sensitive. Lower both the VOX and squealch and see if that works. If the issue continues, contact Iron Cross Audio for more help. www.ironcrossaudio.com

Sep 03, 2010 | Harley Davidson 426290 AM/FM Radio

1 Answer

06 ultra radio no sound from speakers only headset.


Switch is fine. You have a damaged audio circuit caused by vibration. Check the bikes mounting brackets. probably broken. The radio will need to be repaired. www.ironcrossaudio.com

Apr 21, 2009 | Harley Davidson 426290 AM/FM Radio

1 Answer

When im riding my bike the radio quits


Check battery connections. Same problem on my 06 Streetglide and it was loose battery connection.

Mar 22, 2009 | 2000 Harley Davidson FLHTCUI Electra Glide...

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