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Old 08-14-2017, 08:15 PM   #1
cv2065
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Default Testing 12V Converter & Fuse Box?

Hey guys - Whats the easiest way to test a 12V converter and fuse box for proper operation? I have a multimeter and assume that I should test for voltage?

I am running an amp and lights from the converter, and nothing is coming on unless I run it straight to the battery, so I know that the accessories are operating correctly.

Current hookup to the key switch:

'I' Terminal - White wire and Battery meter +
'B' Terminal - White/Yellow Wire and Battery Pack +
'L' Terminal - Switched + from 12V converter (Also tried B1 and nothing)
Battery Meter - to the Battery Pack -

Current hook up from the 12V Converter:

12V + (Green wire) to the fuse panel
Red to the + on Battery pack
Black to the - on Battery pack
Neg Bus Panel hooked to - on Battery pack

Accessories:
Lights - Positive going to the fuse panel/Neg to Bus
Amp - Positive going to fuse panel/Neg to Bus

Checked all fuses and they are good to go. Just need to understand how to check the converter to make sure its working, provided that the rest of this looks right. Thought I had it licked yesterday, but not sure what the problem is.

Not very well versed from an electrical standpoint, so any help would be appreciated.
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Old 08-14-2017, 08:26 PM   #2
orangeman6
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Default Re: Testing 12V Converter & Fuse Box?

Put your meter on the 12v out of the converter, or a terminal in the fuse block, other end of meter to negative.
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Old 08-14-2017, 09:04 PM   #3
cv2065
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Default Re: Testing 12V Converter & Fuse Box?

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Originally Posted by orangeman6 View Post
Put your meter on the 12v out of the converter, or a terminal in the fuse block, other end of meter to negative.
Thanks Orangeman. What setting do I put my multimeter on and what result and I looking for?
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Old 08-14-2017, 09:18 PM   #4
orangeman6
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Default Re: Testing 12V Converter & Fuse Box?

Cv, here's how I set mine, but I'm definitely no expert with one of these things. The dial is set to DC volts. If I understand correctly, you select the number (in my case 20) based on the range you're expecting. I just used this setting to check my 6v batteries individually, and the 12v out of my reducer.

It matters which sockets your probes are connected to as well.

I'd imagine your knobs look similar. If not, I'm sure you can pull up the manual online.
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Old 08-14-2017, 09:18 PM   #5
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Default Re: Testing 12V Converter & Fuse Box?

DC VOLTS ( something greater than 12v)......and you should be looking for 12v
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Old 08-14-2017, 09:21 PM   #6
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Default Re: Testing 12V Converter & Fuse Box?

OK...so just turned my settings to DC voltage on 20. Touched the red probe to one of the fuse terminals and the negative to the negative bus bar. Probes are hooked up to the MM just like yours Orangeman. The reading I get is .01

Tested the green wire going to the fuse box and same thing.

I guess that's bad? Any where else I should test?
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Old 08-14-2017, 10:29 PM   #7
orangeman6
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Default Re: Testing 12V Converter & Fuse Box?

Sounds like your reducer isn't on.
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Old 08-14-2017, 10:50 PM   #8
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Default Re: Testing 12V Converter & Fuse Box?

CV, I know I remember you having a thread about wiring this thing through your key switch. I didn't wire mine that way and I think some of the wire colors on my key switch are different. However, since you've figured that meter out, go back to your key switch and verify what you have, as far as what voltage is coming off of what pin when the switch is in certain positions. Per the diagram, that trigger wire goes on the pin hat has 36v coming out when the key is engaged. Figure that out and you'll have it.

Also, before you go tearing back into the switch, check if you have voltage to that trigger wire where it's connected to the reducer. I'm assuming you don't, and that the mistake was made at the switch, but maybe you've got a bad connection or made a bad crimp. Work from whichever direction is easiest for you to get to.

Mine has an inline fuse at the reducer. Is that intact?
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Old 08-14-2017, 11:52 PM   #9
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Default Re: Testing 12V Converter & Fuse Box?

Quote:
Originally Posted by orangeman6 View Post
CV, I know I remember you having a thread about wiring this thing through your key switch. I didn't wire mine that way and I think some of the wire colors on my key switch are different. However, since you've figured that meter out, go back to your key switch and verify what you have, as far as what voltage is coming off of what pin when the switch is in certain positions. Per the diagram, that trigger wire goes on the pin hat has 36v coming out when the key is engaged. Figure that out and you'll have it.

Also, before you go tearing back into the switch, check if you have voltage to that trigger wire where it's connected to the reducer. I'm assuming you don't, and that the mistake was made at the switch, but maybe you've got a bad connection or made a bad crimp. Work from whichever direction is easiest for you to get to.

Mine has an inline fuse at the reducer. Is that intact?
Went back to the key switch and verified all of the wires that I outlined above. I know that the ignition is 36V, so pulled the battery meter wire off and hooked the trigger wire up to that just to test. Getting some odd readings on the MM, as it says 18 or 20 at some fuse terminals, and different readings at others, but I'm still not getting power through the 12V converter somewhere, as my accessories are not coming on. Hooked a headlight up to verify and nothing. I tested the trigger wire and same thing. Nothing seems to be coming out.

The inline fuse at the reducer is intact, so no issues there. Getting pretty frustrated with it. Shouldn't be this difficult. I sent Scottyb a note. Hopefully he can assist.
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Old 08-15-2017, 07:43 AM   #10
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Default Re: Testing 12V Converter & Fuse Box?

Quote:
Originally Posted by cv2065 View Post
Went back to the key switch and verified all of the wires that I outlined above. I know that the ignition is 36V, so pulled the battery meter wire off and hooked the trigger wire up to that just to test. Getting some odd readings on the MM, as it says 18 or 20 at some fuse terminals, and different readings at others, but I'm still not getting power through the 12V converter somewhere, as my accessories are not coming on. Hooked a headlight up to verify and nothing. I tested the trigger wire and same thing. Nothing seems to be coming out.

The inline fuse at the reducer is intact, so no issues there. Getting pretty frustrated with it. Shouldn't be this difficult. I sent Scottyb a note. Hopefully he can assist.
Hmmm, bummer. In your thread below it sounded like you got the terminals on the key switch figured out and your last post said that everything worked. Did you have 12v from the converter at that point, or were you just saying that the meter worked and the cart engaged?


http://www.buggiesgonewild.com/elect...itch-wire.html

If it's possible, I'd take the key switch out of the loop just to verify what I've got. You should be able to take the trigger wire straight to your pack + and get the reducer to come on.
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