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Unread 09-20-2010, 10:51 PM   #21
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Default Re: What's up with 2nd OBC in 3 years ?

Quote:
Originally Posted by scottyb View Post
This cart is already modified. Had started life as a resistor cart. I called Tahoedawg to get the best info possible on which direction to go. And we are making the repairs according to the customers wishes based upon Tahoedawgs advice. For those who do not know Tdawg is a CC technician certified many many times over with many years of experience..... Me a butcher!?
I have modified some carts but ???? I don't believe I have ever butchered a cart. My reputation as a builder hangs on every nut and bolt I touch... NO matter how poorly the cart was designed.
Sorry Scotty I thought it was a stock cart.My apologies.But I am sure you are good at what you do and there is no need to bypass anything.A obc will go bad on occassion as I have a 2001 in the shop now that needs one.I thought everything else was wrong even a lockout but the obc would not charge afterawhile.When there is an electrical problem with these cars they will do crazy stuff.
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Unread 09-21-2010, 11:04 AM   #22
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Default Re: What's up with 2nd OBC in 3 years ?

Around my area its not uncommon to see electronic parts come off shelves with MANY YEARS of dust build up and possibly have many more years before that to get to dealer? Being exposed to years of 100 plus degree heat and 100% high humidity could also be a factor in electronics? I dont see OBC's coming in a sealed container so anything can happen including varmints inside? I had a black widow spider crawl out of a new OBC when I started to install? And besides who is to say that every one production OBC is built to highest standards to start with? It been awhile since I ordered a OBC and no longer know where they are being built? So much with USA labels are being built in China and their electronics in my opinion are far from quality? IF you can find a BAR CODE on product and see 690-691-692 means built in China, 471 is code for Taiwan.
As to customers all any repairman can do is give his best advise and hope like SCOTTYB says "come back to bite you" even if it wasn't all that he recomended? So often advise wont over come the customers pre- conseaved ideas of what should be done and how?
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Unread 09-21-2010, 12:49 PM   #23
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Default Re: What's up with 2nd OBC in 3 years ?

Every one knows i am not a sparkler man, but a thought.
when you say surge, think about turning on the lights and a bulb flashes
and trips the breaker.
Are the obcs being surged if unplugged during full charge draw?
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Unread 09-21-2010, 02:30 PM   #24
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Default Re: What's up with 2nd OBC in 3 years ?

DOOmsman-- I would think that unit would be built to take high draw fro short periods of time like that but anything is possible with electronics as possibly not designed for 500-700 amp draws, when normal draw is 225-300 amps and less?
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Unread 09-22-2010, 09:49 PM   #25
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Default Re: What's up with 2nd OBC in 3 years ?

The old club cars had a lot of obc problems 95,96 and mid 97s and they got a bad name.If just a surge in the house current would fry them. Nowadays they are a lot beefier and work better.I have seen people bypass them and put a timer in the charger and later on the charger burns up,Now you have 2 -problems.so if you do it right the first time you should be ok. This is the point I was trying to make.
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Unread 09-23-2010, 10:17 AM   #26
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Default Re: What's up with 2nd OBC in 3 years ?

GOLFCARTFIXER--I go along with you on power surges causing problems 100% as where I live we have them almost daily? I had to install a whole house surge protector on my home and even at that had several diode blows in charger when surge and lightening strikes hit nearby. I have never had my original 1996 CC OBC go bad yet?? as its been hooked up through hurricanes, lightening and normal surges? I have had to replace the surge unit twice from lightening but in both cases they did ity for free.
Only being self taught on electronics I am no expert or even novice but think that possibly the higher amp draw than designed going through might damage OBC over a period of years?
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Unread 09-23-2010, 09:40 PM   #27
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Default Re: What's up with 2nd OBC in 3 years ?

You are lucky OLD MEC as I am going by what I was told by ClubCar right from the horses mouth.Maybe you got an experimental OBC.
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Unread 09-25-2010, 12:57 AM   #28
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Default Re: What's up with 2nd OBC in 3 years ?

Just to wrap this up ... The OBC was bad after just 3 yrs. I did find that the previous tech had made the hole in the OBC bigger to allow a 2 gauge cble to run through it.... I wonder if that might have compromised it? I have heard it can... This was a resistor cart in its first life. Has a 8hp motor and 650 Curtis controller the size of a battery in it now... I went with a different computer. I went with the old 3 wire unit. It matched the charger well. I used a piece of extruded angle iron to facilitate mounting. I had to splice obc into the system, I used a small 6g cable thru the OBC and the #2 goes around.... The OBC hangs backwards so you can read the dang # from the battery bay. The controller sits where the coils used to.... Anyway I recharged and the charger brought the pack up to 60+ Volts and shut off. Thanks everybody for your help with this. After talking with Tdawg I gained a greater understanding of the obc and was able to splice this one into a non obc system, Thanks David. Later
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Unread 09-25-2010, 09:18 PM   #29
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Default Re: What's up with 2nd OBC in 3 years ?

Glad you are back on top.
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