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Axel Joost Elektronik

EHC 03

459,34 €
incl. 19% VAT
plus shipping and handling

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EHC for Big Dog 2003


This EHC replacement controlls the functions of your Big Dog bike. Our EHC are made as "Plug & Play" control boxes for a fast change (about 10 minutes) against the old device. There is no need to spend some hours for cablework, stripping etc... 


The following functions are implemented:

- Flasher control
- Auto flasher off function, emergency flasher
- Control of low - and high beam.
- Control of ignition, starter and compression reliefs.
- Control of the horn
- Brake light control include dim function of the rear light

The most outputs of the EHC are short circuit protected and self resetting when a short circuit is not present anymore. However, we recommend to put a 20 amp fuse in the main line between the battery and the EHC (red cable at the 2004 model, connector A3 at the other models). High temperatures on the board due to a short circuit in the harness or somewhere else at the bike result in small gaps in the epoxy material what result that the EHC is not waterprooved anymore. 

Some additional functions are user programmable and can be changed at every time. Just press the horn button while turn on the ignition switch and your are in the "program" mode. A one time emergancy flash will indicate the program mode. A press on the right or left indicator button will switch on or off a small showflasher function. A press on the horn button will switch to the second program option. So, you can easily adjust your own settings in 4 steps. Just feel free to take a look to the manual.


Manual (pdf) for EHC 03


Dimensions: 104 mm x 50 mm x 24 mm
Power consumption: About 80 uA in idle state
Box: ABS, potted with Epoxy 2k resin, water resist
Main voltages: 8 - 20 Volt
Connections: 1 - 2 x d-sub, 5 additional cables (EHC4)
Max. temperature: 70 degree Celsius
Max. main current: 20 Ampere for about 20 seconds, 7 Ampere continous
  • 3 Units in Stock

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This product was added to our catalog on Tuesday 12 November, 2019.