Yes it is exactly what I needed
Ehc rip install
- Thread starter Nwhicks21
- Start date
Ok, so if anything gets wired wrong then that’s first thing to troubleshoot?
Just protects the module or the whole circuit?
I believe the circuit breaker is between the Voltage Regulator and the battery.
Go back to post #3 the diagram shows the breaker.
It's critical you understand circuit protection and follow manufacturer directions precisely Boss. It will cost a bundle more if you don't. Post pictures on site for other to view, seek help from local guys to have a second look before 1st start.
Read through the threads, many of the guys replaced EHC, harness, lots of great info!
You're not alone, we all did it when we bought our first Dog!
Read through the threads, many of the guys replaced EHC, harness, lots of great info!
You're not alone, we all did it when we bought our first Dog!
That's basically a wives tale....
current will take any and all available paths to get back to where it was originated. It's sneaky and will trick you if your not on top of your game. Pay strict attention, learn from others on this site and verify each and every step. Ya gotta be organized, methodical and meticulous on this install Bud. Don't take anything for granted. Read some basic electrical fundamentals, such as Ohms Law.....it will really help Bro
current will take any and all available paths to get back to where it was originated. It's sneaky and will trick you if your not on top of your game. Pay strict attention, learn from others on this site and verify each and every step. Ya gotta be organized, methodical and meticulous on this install Bud. Don't take anything for granted. Read some basic electrical fundamentals, such as Ohms Law.....it will really help Bro
Mikeinjersey
Well-Known Member
No !!! The CB only protects the battery from a short or an overcurrent from the VR. When you hit the start button, that operates the solenoid on the Starter and actually completes the circuit +side of the battery to the - side (ground). Effectively you are shorting the starter to ground but correctly. It's hard to tell now what you did but you probably shorted the battery itself which took out your EHC.
You should put a 20 amp CB or Fuse between the + post on the battery and the EHC. That is not on the original schematics but if the battery gets an internal short your EHC will be protected.
No
It is there to protect the battery if the VR takes a shit.
Oh man…. I hate electrical and this damn bike has me a nervous wreck. I remember in my electrical class in college going over ohms law and a few others, but my memory is so bad I can barely remember what happened yesterday, I’ll research it again tho. This electrical system just has me more intimidated than what it should, simply bc I cannot afford anymore stupid mistakes. And I want so bad to be back on the road to enjoy it while it’s nice out, but I’m terrified that even after all this, ASSUMING there’s no more damage done, that the bike still won’t start and I’ll be right back at square 1, with presumably a bad mainshaft bearing if the starter is still binding up after replacing the clutch carrier and bearing. Fml. Just out of curiosity, how much should I expect to pay if I were to try and pass this job off to someone who is a more experienced (Harley mechanic)?…assuming at this point there’s no issues in the transmission. ….i have the tank off, old harness removed, starter installed, module mounted in battery box and wiring 60% complete
If my new control module is toast, I am totally fucked. That’s all there is to it. Idk if there’s anywhere I could possibly send in my old one maybe to have it looked at or repaired, but hell even my whole backbone harness could end up needing replaced, bc the Speedo was smoking so, like savage said… it’ll take any path available so if the wires got that hot up there it’s a good possibility that there’s more damage.
Most Harley mechanic's don't know how to work on Big Dogs
Take lots of pictures and post questions on here. We will try and steer you in the wright way.