Question about 2003 Honda VT 1100 C Shadow Spirit

1 Answer

Main 30 amp fuse keeps blowing when i plug the 4 wire fuse top back on after replacing 30 amp fuse. any suggestions

Bike just quit running while riding it. The main 30 amp fuse was blown and i had nothing that worked electrically. When i replaced the main fuse and plugged the 4 wire cap with the fuse cover back on the main fuse block the fuse blew again. after unplugging a 2 red and white wire plug under the seat the fuse stopped blowing out and the bike started. I havent tried plugging in the red and white plug again. Any suggestions?

Posted by Anonymous on

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  • Honda Master
  • 41,695 Answers

Hi, Anonymous before diagnosing your blown fuse issue, check the bottom of your seat, if it's metal and comes in close proximity to the positive battery post you need to take the necessary steps to ensure there is no contact (electrical tape, thick rubber insulation, hammer a dent in the seat bottom etc.) You are going to need a wiring diagram from your service manual, a test light, an ohmmeter and plenty of extra fuses.
If you turn on your ignition switch and immediately blow a fuse you have a hard/dead short and is usually easy to find. With a test light connected to the hot side of the blown fuse holder start stabbing the wire/s that leads away from the fuse holder and towards the ignition switch, you test light will illuminate validating the short. When the test light fails to illuminate you have passed the short and need to back up until the test light illuminates, then look in the immediate area for the short.
If you driving down the road for 30 minutes or 15 miles and blow a fuse you have soft/flying short and may take some time and patience to find.
If the main fuse/circuit breaker constantly blows/trips while riding you probably have a faulty battery terminal connection. Check battery terminals for damage or corrosion, check battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary. Any other fuses that constantly keep blowing while riding are usually caused by a loose or corroded ground wire in the circuit, which means you have to check, inspect, test each and everyone with an ohm meter set on a low ohm scale 100 ohms or less . Simply touch one lead to the ground source and the other lead to the battery negative terminal, a reading of zero indicates a clean solid ground. Any number reading or infinity indicates a poor ground and needs to be repaired. Poor or weak grounds require excessive additional amperage to complete the circuit which in turn blows the small amperage fuse.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
keep blowing the 30 amp fuse
main fuse keeps blowing
Honda Shadow VT1100 Owner Manual
http://www.partsfish.com/page/oem-parts-for-honda
Honda shadow vt1100 Owners Workshop Manual

Posted on Jul 22, 2017

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SOURCE: 1974 honda cb550 will not run?

• The first thing to do with ANY engine that has sat for any longer than a couple of months is to dump ALL the fuel in the tank and carb(s). ALL OF IT !! You'll want to refill with some high priced fuel that has fuel system cleaners (Like Chevron with Techron) not becasue you need high-test fuel, but because you need the cleaners. It's ether that or disassemble the carbs and clean out jets you can't find much less see. Your choice. The carb kits alone will cost you about $50 so a tank of high-test is looking pretty good, huh?

• Now the fact that you tried to crank the engine with old fuel has fouled the sparkplugs. All of them. Go buy all new sparkplugs.

Posted on Mar 21, 2009

aadoublea
  • 40 Answers

SOURCE: the tempreture in my cbr 400rr get high every time

Is your fan kicking on when your bike starts to get hot?

On my cbr the fan would kick on at 215 degrees. Even sitting in traffic on a 90 degree day my bike would only get up to 220 at most.

If your fan is kicking on when its suppose to and you have your radiator filled up full then I would check your thermostat.

The thermostat is an object that opens up when your engine reaches a temperature of around 180 degrees and lets antifreeze run through your engine to keep it cool. If the thermostat isn't opening up then the antifreeze isn't circulating through your engine, its just sitting inside your radiator. And that's not what you want.

You can remove the thermostat from your bike and put it in a pan of water and heat the water up with a candy thermometer in the water and you should see your thermostat open up at around 180 degree's. Just do this on the stove. The water won't be boiling so you will be able to see it open up.

Hopefully its just your thermostat because they are very cheap(around 10 bucks).

If your thermostat is good and your fans kick on when they are suppose to then I would say its a water temp sensor or a sensor period.

I'll bet though that if you take your bike for a ride and when it gets around 215 degrees that your fan isn't kicking on to help the motor cool back down.

Hopefully this is the case and if it is you can just run the fan wires to your battery and hook up a toggle switch to turn your fans on whenever you please. This is just a bandaid fix and not fixing the real problem but it will get you by until you can fix it the right way.

Well I hope I may have been of some assistance and good luck,
Remember to check your fluid while the bike is running and warmed up completely, because if you just fill your radiator with the bike turned off it will only fill your radiator with fluid and not your motor as well(because the thermostat will be closed) which is what you want. Also after you fill your radiator when the bike is running and you can fill it any more let the bike run for a little while with the cap off to let any air in the cooling system purge out of the open radiator. You should see some air bubbles coming out of the radiator cap hole. If you have air in the system that will cause your bike to overheat as well. Had this happen on a Honda Car.

GOOD LUCK,
AadoubleA

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Posted on Apr 05, 2009

  • 226 Answers

SOURCE: No rear brake master cyl.full

If it has been sitting on the sidestand, the cylinders on the low side occasionally become fouled - which will clear up pretty fast or after changing the plugs. There is probably gunk in the rear caliper from sitting & dealer may want to check the fronts as well. Dealers are really expensive & I would guess that they would want $250 or so just to fix the rear brake issue. When i needed all my calipers cleaned, my dealer wanted almost $1000., so I did them myselves for about $50. Rick

Posted on Apr 14, 2009

  • 2 Answers

SOURCE: 06 250 crfr bike wont start

Try adjusting the valves It tells you how in the owners manual, you have to run to the shop to get the right shims though. Or just take it and let them do it.

Posted on Jun 02, 2009

  • 221 Answers

SOURCE: Bike does not start after an hour of riding.

test stator loaded and unloaded,then do voltage drop test

Posted on Aug 13, 2009

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