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Axel Joost Elektronik

EHC 58

493,85 €
incl. 19% VAT
plus shipping and handling

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  • Description
  • Details
  • Reviews

EHC for Big Dog 2005 - 2008


August 2022: Unfortunately were the chips from the last delivery not strong enough for the starter circuit. That´s why we have removed the EHC 58 from the shop. We´ll overwork the cicuit with stronger chips asap.


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... 

Some changes compare to the original EHC provide a better performance and lifetime. A 2mm metal plate provides a
better connection of the d-sub sockets to the potting material. Two rubber damper will reduce unwanted vibrations 
from the chassis to the EHC, what was one of the main issues at the old device. We think that our EHC is a more solid 
device compare to the original. By the way, we had tested some devices one hour with 60 degree C in the washing machine 
between socks and jeans and they still work fine :-)


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
- 5 status led´s for the indication of the battery status, ignition and starter circuit.(EHC-58 )


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. 

A bluetooth module for your EHC58 is availabe as option. You can control all the EHC functions include checking the battery status via a simple touch on your phone. Just download the free "Big Dog Remote" app below and check it out. The module works for all EHC 58 from 9/2019

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 8 steps. Just feel free to take a look to the manual.


Manual (pdf) for EHC 58
Android App "Big Dog Remote"



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

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

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