Voltage Regulator....Prob I think???
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From: ADELAIDE AUSTRALIA
Voltage Regulator....Prob I think???
Just wondering what the usual output for an alternator is....as I put the multimeter on my battery today and found it was putting out 18 Volts....that to me seems very hi!
Also After driving tonight I turned the it off and then tried to start it straight after....he rip was about 30 miles but it wouldn't turn over.....I was thinking that maybe due to the alternator putting out such a hi voltage that maybe it has cooked the battery!!!
Hope you can give me some ideas.
Cheers Rory
Also After driving tonight I turned the it off and then tried to start it straight after....he rip was about 30 miles but it wouldn't turn over.....I was thinking that maybe due to the alternator putting out such a hi voltage that maybe it has cooked the battery!!!
Hope you can give me some ideas.
Cheers Rory
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Junior User
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From: ADELAIDE AUSTRALIA
I was looking at the alternator today and it seems it has a inbuilt voltage reg.....are they ajustable or should I just take it to an auto sparky to get them to check it out.....today at idle I was getting 15.5 Volts!!!
Dame electrics.....!
Dame electrics.....!
Fleet Mechanic
Joined: Mar 2004
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From: Hesperia, CA
You don't say what the vehicle is catford, but if it has an internal voltage regulator and it is a Ford then it has been modified. Look into the grill on the left side just to the right of the headlight and see if you see a little box. Thats where the voltage regulator is normally located.
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From: Fort Bragg
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From: ADELAIDE AUSTRALIA
Hi all.....its an Australian 1976 F100 only a 302 Clevo in it....the alternator looks modern....it has a modern plug that goes into the back of it with about three wires coming out....also the truck didn't start today until I jump started it.....I then put the battery on charge and checked the fluid level and found that I could see the top of all the cells....so I topped them up.....( Im shaw they were okay a few days previous...but I maybe mistaken )
It started fine this arvo after I charged the battery.....I will drive it to work tomorrow and check it again...!
These trucks are awesome fun to work on though....its my first ever F Truck and I love it!!!!
It started fine this arvo after I charged the battery.....I will drive it to work tomorrow and check it again...!
These trucks are awesome fun to work on though....its my first ever F Truck and I love it!!!!
Last edited by CATFORD; Sep 23, 2007 at 04:50 AM.
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Post Fiend
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From: St George, SC I-95
Im having the exact same problem with my 79 F250. Started killing batteries and didnt know why. Changed alternators..changed volt reg...still sitting on 16-18 volts but only when driving. At idle it sits at a constant 14 volts. Seems like my problem is Alt related because as engine speed increases voltage increases.
Fleet Mechanic
Joined: Mar 2004
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From: Hesperia, CA
Originally Posted by STGFordCrazy04
Im having the exact same problem with my 79 F250. Started killing batteries and didnt know why. Changed alternators..changed volt reg...still sitting on 16-18 volts but only when driving. At idle it sits at a constant 14 volts. Seems like my problem is Alt related because as engine speed increases voltage increases.
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Difficulty ?
The VR comes out of the alternator in one piece and iseasy to install.
I suggest that VR is on its last legs and you don't really need a mechanic to do the work.
Please post the alternator Numbers stamped on it so we know what has been done beofre you.
The VR comes out of the alternator in one piece and iseasy to install.
I suggest that VR is on its last legs and you don't really need a mechanic to do the work.
Please post the alternator Numbers stamped on it so we know what has been done beofre you.
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From: ADELAIDE AUSTRALIA
Well first of all I want to state I'm an idoit...I found the voltage regulator just up from the alternator....so I went and got a replacement today..... and installed it but unfortunatly at idle now I'm still getting 18 + Volts ( worse than before....could it be the alternator....and if so what could cause this!!!
Here are all the numbers on the Alternator:-
912006C816
U-K1 14V 40A 22
76 DA-10300-A
Mootorcraft
Cheers Rory
Here are all the numbers on the Alternator:-
912006C816
U-K1 14V 40A 22
76 DA-10300-A
Mootorcraft
Cheers Rory
Last edited by CATFORD; Sep 25, 2007 at 06:08 AM.