User output problem.
Moderators: JeffC, rdoherty, stieg, brentp
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- Posts: 10
- Joined: Sat Jul 15, 2006 5:29 pm
- Location: Cheshire
User output problem.
Ok so i have a ford coolant temp sensor setup & working showing engine temp on the MJL-jr software. I have wired the fan control relay to user output 1 as shown in the installation & operation guide, I have set it to operate above 92 deg c but & here's the problem when the MJL-jr is powered off the unitis stays on & is still being powered on by the fan relay signal wire on the user output 1. I know its that because when the relay signal wire is disconected it then powers down. Its the newer megajolt E unit without the ability to swap the ic uln2003 chip if this is the problem! Is there a board mod i need to do!
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- Posts: 10
- Joined: Sat Jul 15, 2006 5:29 pm
- Location: Cheshire
Hi Brent. Yes have tried all four outputs but they all do the same! I have inspected the board for any rouge solder but its clean & everything looks in order. I do have a new identical Mjl-jr unit which I'm going to try later on in the week, if this cures the problem then it must be a faulty chip? The outputs seem to work but they still power up the unit for some reason! changing the chip is going to be a bit tricky I think.
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- Posts: 10
- Joined: Sat Jul 15, 2006 5:29 pm
- Location: Cheshire