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-   -   Permanent live too my MSD (http://forums.pelicanparts.com/porsche-911-technical-forum/1119862-permanent-live-too-my-msd.html)

den912 05-30-2022 11:38 AM

Permanent live too my MSD
 
Can I take the permanent live to my MSD from “fuse box 3 in the engine bay” or will this put too much load on the fusehttp://forums.pelicanparts.com/uploa...1653939522.jpghttp://forums.pelicanparts.com/uploa...1653939560.jpg

Showdown 05-30-2022 12:21 PM

Totally fine.

den912 05-30-2022 12:33 PM

Is going past the fuse correct or before

Showdown 05-30-2022 01:10 PM

I have mine before the fuse with an inline fuse to protect the MSD unit. If you put it after the fuse you may have to change the fuse to a higher amperage but that’s probably not advisable.

rwest 05-30-2022 03:57 PM

I ran mine like that for years without issue, although many will tell you to run a line off the starter.

icarp 05-31-2022 06:03 AM

What I like to do for power in the engine bay , is run a 10ga from the starter battery cable to the engine bay. At that point I can run a relay for ignition hot or just constant hot . Fuse as needed .
Ian

AlKidd 05-31-2022 08:08 AM

Why do you want it hot at all times? I ran mine through a relay thats switched on with ignition.

icarp 05-31-2022 08:12 AM

The MSD wants the primary + to be hot all the time , then the internal MSD switch activates with the key to make the system hot .


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