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  #1  
Old 07-22-2017, 12:04 AM
hareracing35 hareracing35 is offline
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Default Issue with my Grand Hauler... PLEASE HELP

Hey guys I'm having an issue with my grand hauler that I can't figure out.
everything on it works but i can't seem to keep it running, it will go for about 5-10 feet and stop running and the sound board will shutdown then fire back up again, but will still only go 5-10 feet no matter what gear i have it in.

if anyone can give me some insight it would be greatly appreciated.

thank you in advance.
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  #2  
Old 07-22-2017, 12:26 AM
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Northern Farmer Northern Farmer is offline
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Default Re: Issue with my Grand Hauler... PLEASE HELP

May sound like a dumb question but are the batteries fully charged in both truck and transmitter ?
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Old 07-22-2017, 12:49 AM
hareracing35 hareracing35 is offline
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Default Re: Issue with my Grand Hauler... PLEASE HELP

yes i thought that was the issue at first too but that didn't solve it
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Old 07-22-2017, 02:02 AM
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Default Re: Issue with my Grand Hauler... PLEASE HELP

Disconnect everything from the rx.
Connect esc, try running. Connect a servo, try running. Connect another, try running... eventually something should cause it to act up, remove it again and see if it works ok.

Is the antenna ok and away from the motor?
Does motor have caps installed?
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Old 07-25-2017, 04:27 PM
Rimrock Rimrock is offline
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Default Re: Issue with my Grand Hauler... PLEASE HELP

Don't know what electronics/sound you got, but if it's Tamiya MFC? There are issues if one got a steering servo that draws quite much power, the unit sometimes have issues dealing with it in combination with running the main motor. Also experienced issues when driving with heavy loads, when the MFC can't deliver enough amps, it just cuts and restarts.
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Old 07-25-2017, 11:22 PM
hareracing35 hareracing35 is offline
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Default Re: Issue with my Grand Hauler... PLEASE HELP

yes it's the tamiya mfc and i will try a different servo thank you
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Old 07-26-2017, 04:25 AM
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Default Re: Issue with my Grand Hauler... PLEASE HELP

Quote:
Originally Posted by hareracing35 View Post
yes it's the tamiya mfc and i will try a different servo thank you
Also what radio and receiver are you using ?
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Old 07-31-2017, 12:21 PM
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Default Re: Issue with my Grand Hauler... PLEASE HELP

If the battery hasn't dropped a cell (nimh), then my money is on the tamiya/molex plug.
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Old 08-08-2017, 05:22 PM
hareracing35 hareracing35 is offline
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Default Re: Issue with my Grand Hauler... PLEASE HELP

swapped the servo i had in it for a basic s3003 and everything works fine now. thanks guys
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