I believe that this would destroy the ammeter due to it only being rated for 50 amps.
So I am considering bypassing the ammeter and having the winch connected to the second battery which can be isolated from the rest of the system for running the winch for a short amount of time. and then stop pulling the winch, allowing it to cool down and then i could recharge the battery back on the main system.
I know that i am going out of my way here by running a 63 amp alt and the 50 amp ammeter but i wanted to get your thoughts on the set up and as to if it would work or if not.
I would run 2 deep cycle batteries so that the alternator would not have trouble matching the 2 batteries.
Joined: Dec 10, 2017 Posts: 337 Location: Southern Maryland
Posted: Wed May 09, 2018 7:33 pm Post subject:
The winch connects directly to the battery, it is not connected to the Jeep wiring harness at all. The winch if new will come with an auto circuit breaker to protect it's wiring. It can be connected to either battery, just make sure whichever you use the charging system is on that battery while the winch is in use. The alternator will ramp up it's charging as you drain the battery using the winch with no ill effects to it or the meter.
Mike B _________________ Mike B
1953 M38A1 Brush Truck
1952 M38
1951 M100 Trailer
Why are you using an amp meter with an alternator? You said you have a 12 V system so keeping things stock should not be an issue. The industry standard with an alternator installation is a volt meter. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
There is no problem using an ammeter with an alternator. You have to look no further than the Chrysler Corporation who introduced alternators to the motoring public in the sixties. All their cars and trucks were equipped with ammeters up to the eighties. But none of this has anything to do with the winch questions.
The isolated battery is a good idea. The high current lead to the winch motor is wired much like the starter is, it doesn't go through the ammeter, straight from the battery to the big + connection on most electric winches.
Hope this helps! _________________ '52 Dodge M37, '42 GPW, '48 FrankenJeep CJ2A/M38, '50 CJV-35(U), '51 M38, '42 WC-57 Command Car, '44 WC-51 Weapons , (2) M1941 Sperry 60" Anti-Aircraft Searchlights, John Deere M-gator, '44 White M3A1 Scout Car
I did not say there was a problem using amp meters with alternators. I said
Quote:
The industry standard with an alternator installation is a volt meter.
Perhaps I should have further qualified that statement with the word Today.
As for Chrysler's use of the amp meter into the 80's that is about par for a company that introduced one of the two lousiest alternators produced. The Chrysler alternator and the other was the Motorola alternator both of which are simply junk. Those manufacturer's that continued the use of the amp meter beyond the introduction date of the alternator did not do so because they believed in the reliability or safety of the amp meter. It was because they felt people were accustomed for too many years to the presence of the amp meter and would have trouble adapting to and interpreting the volt meter. Eventually the smart folks won and now they all have volt meters and idiot lights.
Lt Dan has not enlightened us yet with how his custom 12V system is wired. For all we know his amp meter may be wired in such a way that all loads to and from his batteries pass thru it! _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Why are you using an amp meter with an alternator? You said you have a 12 V system so keeping things stock should not be an issue. The industry standard with an alternator installation is a volt meter.
The reason I am using an ammeter is that it came with the 12v gauges that i had ordered. I had just not wanted to buy another gauge but i might still do it.
wesk wrote:
Lt Dan has not enlightened us yet with how his custom 12V system is wired. For all we know his amp meter may be wired in such a way that all loads to and from his batteries pass thru it!
My wiring is completely custom, I am building the entire harness from scratch myself. I have not run any wires to the gauges at this time. The only wires that are run currently are, main ground cable to engine and frame, positive main cable to starter terminal lug, alternator wire to battery, exciter wire to dummy light then to ignition switch, ignition switch to battery, coil, and starter solonoid, I have also wired in the headlights to the foot switch but have yet to supply it with power as I have not set up the military light switch yet.
Mike_B wrote:
The winch connects directly to the battery to the battery, it is not connected to the Jeep wiring harness at all. The winch if new will come with an auto circuit breaker to protect it's wiring. It can be connected to either battery, just make sure whichever you use the charging system is on that battery while the winch is in use. The alternator will ramp up it's charging as you drain the battery using the winch with no ill effects to it or the meter.
Great thanks mike, I was not thinking clearly on the circiut being seperate from the rest.[/quote]
Joined: Apr 14, 2005 Posts: 285 Location: Livermore Ca.
Posted: Thu May 10, 2018 4:37 pm Post subject:
I think a 5000 lb. ATV winch is a little inadequate for a jeep.. _________________ '51 M38 #22936,
'51 M100 Dunbar
#01164782
'53 M100 Dunbar
M416b1
2- M762
MVPA #11788
MVCC LIFER
I think a 5000 lb. ATV winch is a little inadequate for a jeep..
Well typically for winching you want twice the capacity of your load. But yes I agree with you as to the 5000 being a bit small, I was looking at the amperage draw, I will probably look into a minimum 6000 lb winch. I'm going to stay under 9000, not going to need anything bigger than that.
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