2007 Honda Rancher Won't Start - Honda ATV Forum
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post #1 of 11 (permalink) Unread 06-25-2019, 07:00 PM Thread Starter
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Question 2007 Honda Rancher Won't Start

Good evening, I have a 2007 Honda Rancher 420 2wd Manual Shift. To start from the beginning, battery died, tried to charge it, it started, shut off now will not do any thing. It keeps blowing the 10A IGN Fuse and Fuel Pump will not run like normal when the key is turned to the on position. I have pulled all of the electrical connections in the back of the bike and plugged in until the fuse blows. Originally, i found that when i plug the relay that is in the back into its connection, it immediately blows the fuse. I thought it was the relay, ordered another, and same issue continues. When the relay is not plugged in, the bike will turn over all day long, (Still nothing from the fuel pump and will not start, just turns over) with all of the connections connected or disconnected, except for the starter solenoid of course. When i plug that relay in, if all connections are connected it will blow the fuse. If the right one is plugged in (grey) and the left one unplugged (Black Square) (At the back of the bike facing forwards) the relay makes a buzzing noise. Also noticed today, with all of the electrical connections together, the right plug (grey) (at the back of the bike facing forward) the wires going get hot to the touch. Any help would be much appreciated.
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post #2 of 11 (permalink) Unread 06-25-2019, 09:22 PM
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It sounds like the fuel pump is seized up. Or there is an issue with one of the relays. Try unplugging the pump and see if it quits blowing that IGN fuse.

EDIT: You can find a free copy of the service manual here:
https://www.hondaatvforums.net/forum...downloads.html
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post #3 of 11 (permalink) Unread 06-26-2019, 07:55 AM
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post #4 of 11 (permalink) Unread 06-27-2019, 06:54 PM Thread Starter
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@ Retro that was the very first thing i tried. I forgot to mention that. i unplugged the fuel pump and it still blows the fuse. the relay is new, just got it in tuesday.
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post #5 of 11 (permalink) Unread 06-27-2019, 08:00 PM
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Is it the fuel pump relay that blows the fuse? Or is it the relay next to that one? Do you have a copy of the service manual?


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post #6 of 11 (permalink) Unread 07-03-2019, 05:58 AM Thread Starter
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It is the "Fuel Pump Waterproof Relay".
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post #7 of 11 (permalink) Unread 07-03-2019, 06:30 AM
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post #8 of 11 (permalink) Unread 07-03-2019, 11:33 AM
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You replaced that "Fuel Pump Waterproof Relay" already, correct? Is that a genuine Honda part number or a china knockoff you found on the 'net cheaper?

That leaves either a bad/incorrect/china relay, or shorted wiring to ground in the harness as likely possibles.

You can trace possible shorts using a multimeter. If the relay is not an OEM Honda part then its gotta be replaced with one.


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post #9 of 11 (permalink) Unread 07-04-2019, 07:53 PM Thread Starter
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Yes already replaced the "Fuel Pump Waterproof Relay". I bought it from my local Honda Dealer so it should be a good part. That is my next step, to start with the volt meter. Electrical issues are nightmares...
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post #10 of 11 (permalink) Unread 07-04-2019, 10:11 PM
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Try unplugging the ignition coil, the bank angle sensor and the fuel injector one at a time.

EDIT: Forgot to mention the engine stop relay... check that too.
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