roga
Isuzu Junior
Posts: 58
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Post by roga on Jan 16, 2008 17:28:53 GMT 11
Hey guys,
I have just mounted a separate alternator above the air con pump on my Mu.
It is from a Mitsubishi l200 petrol Ute and has 2 wires coming from it.
The 4JB1 alt has 3 wires and I was told that one maybe to drive the rev counter??
Has anyone done this sort of thing before and how hard is it to wire in?
I have done this because I am sick of killing the original alt as it is way too low for water crossings etc.
I have left the original there because of the vacuum pump plus the other is 50 % larger so is better for the electric winch.
Thanks
Roger
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kykin
Isuzu Junior
Posts: 52
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Post by kykin on Jan 16, 2008 19:21:27 GMT 11
water crossings in the future going to be harmfull to my exposed alternator under the air con are they?
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roga
Isuzu Junior
Posts: 58
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Post by roga on Jan 17, 2008 17:49:38 GMT 11
You may get away with it if the water is clean,but the muddy swamp water we often deal with is a killer.
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kykin
Isuzu Junior
Posts: 52
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Post by kykin on Jan 17, 2008 23:32:45 GMT 11
dam, so whats the best plan of action for hitting the mud holes and not buying a new alternator every time?
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Post by geeves on Jan 19, 2008 18:30:51 GMT 11
2 choises. Dont hit the mud holes or buy new alternators frequently. If the alt light comes on and does not go out after a few seconds out of the wet unplug all the wires to the alternator. This will save the stator windings and probably allow your alternator to be rebuilt.
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roga
Isuzu Junior
Posts: 58
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Post by roga on Jan 20, 2008 8:39:35 GMT 11
This is how I fixed the problem   |
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Post by geeves on Jan 20, 2008 14:03:29 GMT 11
Just read the first post properly. The rev counter does not come from the alternator. Mine worked ok with the alternator disconected. You have to fit a diode between the second and third wire but not sure on details
Thats an inovative solution to the problem. Ive been looking for an idea like this as I didnt realy want to loose the air con. Will it fit around an intercooler and where did you get the bracket from?
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roga
Isuzu Junior
Posts: 58
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Post by roga on Jan 20, 2008 17:39:26 GMT 11
Yes it has an intercooler on it, in this photo you can just see the edge of the intercooler.  The bracket is so simple all it is is a piece of angle iron 40 x 40 x 6 x about 45mm long with a steel tube welded on the edge to mount the alt to. The bracket screws to the 10mm threaded hole already found on the aircon bracket. I also have a small bit of 25 x 3 mm strap running from the back of the alt mount down to the spare upper rear aircon pump mount just for a bit more stability. The tensioner is bolted to a small piece of angle welded on top of the original alt bracket and the belt lines up with the front pulley. But be warned I have a 2" body lift and have just enough clearance under the bonnet for this mod. Works brilliantly . |
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Post by geeves on Jan 20, 2008 19:30:59 GMT 11
Thats the trick You had me all exited but alas no body lift (yet)
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roga
Isuzu Junior
Posts: 58
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Post by roga on Jan 20, 2008 19:52:14 GMT 11
The MU needs a body lift ,I dont know about the others
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