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Electric Club Car Electric DS, and Precedent golf cars



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Unread 03-22-2011, 08:41 PM   #51
KCR
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Default Re: 06 CC Precedent Acceleration Problem

Here is a brief discription on how I fixed the Precedent Speed Sensor. I have driven the cart to the golf course and back a couple of times (3 miles each way) and it seems to be holding up ok. First I ordered the Allegro Sensor from Digi-Key through the Web. Bought several at $1.55 figuring I may screw up. Great service as they were here in two days. Extreamly small as noted in the picture the squares on the paper are 1 inch. Looked up the wiring diagram from the Hall web site as listed on previous thread. There is a top and bottom and looking from the top they are power in (red), ground(black) and power out (green). I solderied some wires on the sensor leads,taped the leads, taped it to my hat style sensor body and jumpered the wires in the plug. It worked so I took it back off then drilled a hole in the plastic body, placed it about center of the cap and epoxied it in. If I was to do it again I would solder the wire from the plug directly to the sensor to eliminate the extra wire and connectors. Here is a picture of the Allegro sensor with wires soldered and the completed unit. I still have several sensors if someone wants to send me your bad sensors.
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File Type: jpg speed sensor.jpg (46.0 KB, 57 views)
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Unread 06-14-2011, 06:30 PM   #52
Mr. Helper
 
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Default Re: congrads on your home made speed sensor

fantastic......i tip my hat to you

you photo shows the "hall effect sensor" mounted off center yet you indicated in your post that it was centered....can you post details on construction

and also some construction photos...maybe a hand made drawing might help

would like to talk to you 917-685-8902

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Unread 06-14-2011, 10:40 PM   #53
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Default Re: 06 CC Precedent Acceleration Problem

Sorry for the confussion - I centered it depth wise. I measured the round magnet on the motor and then drilled a hole about the same depth so the sensor would bottom out in the center of the magnet. On one of my first tries I did not get deep enough and it did not work when I tested it so drilled deeper and then it worked. Always made sure I tested it on the cart before I epoxied it.
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Unread 06-15-2011, 06:53 PM   #54
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Default Re: 06 CC Precedent Acceleration Problem

thanks thats what i thought.... according to the spec sheet from ALLEGRO the activation area of the chip is dead center and closer to the flat side furtherest away from the leads.

therefore you would have to drill slightly deeper than the end of the magnet so the center lines up with the center of the magnet.

by the way is yours still working ok.....

there is a company that makes an attachment called a SPEEDY LINK to the speed sensor to FOOL the controller.... an easy way to get more speed ...have you any knowledge of this .... they are called -----"Digital over drive systems (dot) com"

see attached disgram of Hall effect chip
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Unread 06-20-2011, 05:27 PM   #55
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Default Re: 06 CC Precedent Acceleration Problem

Mine is still working well. The Speedy Link looked interesting and now I see someone on ebay is selling a replacement high speed motor magnet that will increase the speed. They were $55.00 which is the cheapest option so far. I would think they trick the sensor somehow? Anyone have any experience with them
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Unread 06-23-2011, 03:03 PM   #56
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Default Re: 06 CC Precedent Acceleration Problem

I purchased a speedylink and it worked well for about a month and then I ended up with the acceleration problem described in this thread. Not sure if the speed sensor went bad on its own or from the speedylink or it maybe another component failing. I removed the speedylink and reconnected wiring normally and still have same issue, so I think it may be just a speed sensor issue. Also saw the ebay link for the $55 magnet....what is the science behind the different magnet? Is there any way to bypass the speed sensor easily?
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Unread 06-23-2011, 06:49 PM   #57
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Default Re: 06 CC Precedent Acceleration Problem

try building a new speed sensor ..only costs about $3 to build
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Unread 07-06-2011, 08:19 AM   #58
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Default Re: 06 CC Precedent Acceleration Problem

Followed advice about that hall effect device from Digikey. Used scotch lock connecters I piggy backed the hall device together with existing speed sensor taping it to the side of the existing speed control cup sensor and near the magnet centerline. Shazam; I now have a working like new cart. Thanks to all. Have driven it for a couple days and a few miles and can't stop smiling at the $$ savings. Now about that electronic someone saw for $55? could someone send a PM and tell me where they saw it?
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Unread 07-06-2011, 08:28 AM   #59
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Default Re: 06 CC Precedent Acceleration Problem

a picture would be interesting......

what happens when the tape gets wet...... why not just drill out the old sensor and replace the hall effect inside and fill with epoxy
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Unread 07-12-2011, 05:51 PM   #60
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Default Re: 06 CC Precedent Acceleration Problem

will the same part number from digi-key work for an 04 precedent?
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