Question about Honda CB 750 Motorcycles

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No power when turning on ignition switch. all fuses good and wire harness is stock and intact. no corrosion and no damage. is there another fuse board other than the three buss fuses on the left side?

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Honda;s all have a main 30 amp fuse on the starter solonoid, need to unplug wire to solonoid to get at fuse,older models use a metal strip fuse,late models use plastic cassette type fuse

Posted on Sep 02, 2010

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Keeway dorado 250cc motorbike,i did change the fuse wire/modified using wire.now having problem with no power at all..cant start ..battery & fuse look working..any issue related or how to fix this?


Hi, Mustafa and the usual suspects are:
1. Ignition Switch not in the "ON" position.
2. Engine Run Switch in the "OFF" position.
3. Discharged battery, needs to be 12.5 volts or better and be able to pass a "LOAD" test, your battery may show 12.5 volts but has little or zero amps and must be replaced.
4. Check the battery terminals for damage or corrosion check the 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.
5. Bank angle sensor needs a reset or is faulty.
6. FOB battery low or dead.
7. Faulty ignition switch.
8. Faulty starter button.
9. Faulty kickstand or clutch pull in switch/sensor.
10. Security alarm needs a reset.
11. Starter relay, solenoid or starter circuit wiring faulty.
12. Starter armature or field coils have failed.
13. Main fuse or circuit breaker may be blown or faulty.
14. The electric starter is working but starter clutch has failed.
15. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
Yamaha Vstar 250 won start need to diagnose and fix possible fuel battery...
cranks but wont start
http://www.benelli.keeway.my/image/post/manual/dorado.pdf
https://www.aliexpress.com/store/group/Stock-Parts-2V49FMM-XV250-Keeway-Cruiser-Dorado/436449_252868059.html

Mar 25, 2017 | Keeway Motorcycles

1 Answer

Foxguard jp2 immblsr on triumph stag will not de activate or go into service mode.Ignition switch operates as normal but dash lights stay off wipers and washers dont work .


Your half way there. All you need is a wiring diagram to trace the wire from the ignition to that fuse. Most likely it is one wire from the ignition, then it splices to the different fuses. In my experience the splice fails(corrosion), Some times you loose one area, some times all. Depends on which side of the splice is corroded the most. Splices are hard to find. Even harness diagrams can be as much as 2 feet off. I usually find the color code of the wire and run a new wire. In your case, it would be from the ignition switch to the fuse panel.

May 08, 2016 | 1977 Triumph Stag

1 Answer

2002 elantra no power to wipers radio head lights and heat


Please check for codes in the OBD system. Check Battery and Charging System. If no codes perform following test procedure.
Tests/Procedures: 1. Check the Black power connector in the under dash fuse box. Wiggle it with the lights on and see if they malfunction.

2. Wiggle the wiring harness from the ignition switch around the steering column with the lights on and see if they malfunction.

3. Monitor the key on battery voltage from the ignition switch at terminal 3, Red wire at the ignition switch to terminal 3 of connector I/P-E in the under dash fuse box.

4. See if the vehicle has any aftermarket accessories installed that may be tapped into that Red wire from the ignition switch to the fuse box.

Potential Causes With OEM Direct diagrams, components, TSBs, and R&R procedures
Ignition Switch
Output Speed Sensor (OSS)
Power Connector
Radio Wiring
Steering Column Wiring

Apr 07, 2015 | Hyundai Motor 2002 Elantra

1 Answer

When turn key nothing happens


check connection and wires at battery for damage or corrosion if good check for power to ignition switch if no power check for damaged or shorted wiring if good turn key and check if power going to relays or accessory's at fuse panel if no power switch may be bad

Apr 08, 2014 | 2002 Saturn S-Series

1 Answer

Yamaha raider stock turn signals not working


Hi, Anonymous before diagnosing any turn signal/running light/parking light issue make sure the bulb is good and the light fuse has continuity with a test light. If you have replaced you OEM lights with LED lights you are going to need a load equalizer. If no turn signals work the cause could be a faulty turn signal module or the connector going to it, look for corroded, loose, or broken pins/sockets. Contact spray cleaner is great for removing corrosion. If your speedometer does not function properly it will have to be fixed first because your turn signal module gets the data from the speedometer for normal turn signal function. If your front turn signals don't work use a test light to check for power and ground at the bulb socket, then start backtracking the wiring through every wire connector to the turn signal switch/button and check for continuity, go all the way back to the fuse if necessary to find the cause of the malfunction. If your rear turn signals don't work check your rear fender wiring harness connector first for corroded, broken, loose pins/sockets, power, and a good ground, (the harness connector is usually located under the seat on the front of the rear fender) then keep tracing the wiring look for obvious harness damage caused by the rear tire. If you still can't find the malfunction backtrack from the rear fender wiring harness connector. If one side does not work you could have a faulty turn signal switch or module check for continuity. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Turn signal not working help
http://www.starbikeforums.com/forums/49-v-star/44042-electrical-gremlins-turn-signals-neutral-light-ugh.html
Yamaha XV19SW Service Manual
OEM parts for Yamaha
Yamaha ROADLINER XV19SW Owner Manual

Oct 09, 2013 | 2008 Yamaha Raider S

1 Answer

In my 1980 Fiberform, I have no power to any accessories or to my ignition, and my battery seems to have a full charge.


Check battery connections. Check voltage at fuse panel. Should have same voltage as battery. If voltage is present turn on any switch, if voltage goes away with a load follow the no voltage procedure but leave the switch on while testing.
If no voltage, check for any fuses or circuit breakers in the supply wires. Still no voltage: connect voltmeter red lead to positive at battery, black voltmeter lead to negative at fuse panel. Voltage OK problem is with positive supply to panel. If no voltage connect meter red lead to positive at fuse panel, meter black lead to negative at battery. Voltage OK problem is with the negative supply to panel.
If fuse panel is supplied voltage from the ignition switch start the voltage tests at the ignition switch.
Sometimes the positive and negative supply for the fuse panel are connected at the engine. Usually the positive at the starter solenoid, if so use that source instead of the positive battery post. Voltage must be traced from the root source to the load. Both positive and negative must be isolated and verified separately. Without one, positive or negative, there will be no voltage at the load. The load being whatever needs voltage applied to function, (light, pump, etc.)
If there is a corroded connection or wire it is possible for voltage to pass through the corrosion with no load. When a load is applied more amperage is required. The corrosion is not a good enough conductor to carry the required amperage and the voltage goes away. This corrosion can be at a terminal connection, (wire to switch, battery cable to battery lug, battery lug to battery post, etc.), internally in a switch, wire, fuse or circuit breaker. It is possible for a wire to appear to be in good condition. The outer insulation can be intact while the inner conductor is corroded, sometimes turned to green powder. This is why marine grade wire is more expensive than standard wire. Marine grade wire is tinned copper, copper conductor electro coated with tin to resist corrosion.

Oct 05, 2013 | Spectrum Color Fiberform, 1980-1985, White...

1 Answer

92 Toyota pickup, was blowing efi fuse now its not but when I turn the key it doesn't do anything


A bad short blowing the fuse. Could be in the wiring for that circuit, or bad part, component (like the computer, sometimes a shorted injector).
Check if the fuse still has power to it. Use a test light to check for power at the fuse. If no power, probably blew a fusible link or maxi fuse that is the feed for that fuse block.
Turn key to on-do the warning lights and dash gauges come on? If not, check that power is still getting to the ignition switch. I think there are fuses (AM1 &2?) for the ignition switch, not fusible links.
Shorts in the wiring can be difficult to find, may be buried deep in a wiring harness, one needs to check continuity of wiring to locate wiring shorts, looking for high resistance in a section of wire-you may need a shop to diagnose. If you have a wiring diagram available, could start checking wiring and parts in that circuit.
If you want to get creative, here is how an auto electrician can hunt for shorts: use some jumper wires and hook up a circuit breaker of same rating as the efi fuse in that fuse slot. Now when testing you will not be constantly blowing the fuse-circuit breaker will reset every time. Unhook parts in the circuit one at a time, turn key on so power is going through the circuit, whatever part is unplugged that breaker does not trip, that is the problem-the wiring to it or the part itself. Also do a wiggle test of the wiring: key on, move different parts of the wiring and harness, if you cause the short tripping the breaker (or blowing the fuse if you just keep adding a new fuse each time) then you have found the short.
Here's a heads up: anytime you want to pull the connectors off of the computer, make sure key is off, remove negative battery terminal, pull connectors off the computer, reattach the negative battery terminal. With connectors off examine connector pins for any corrosion or bent pins.
Good luck, get power back to the ignition switch if it is lost, then start looking for what is blowing the efi fuse.

Sep 01, 2013 | 1990 Toyota 4Runner

1 Answer

Where does the ignition switch and fuse panel get its power from? 4 dead fuses, not blown.


I have found with these Crown Vic's,especially police cars,they manage when the get in accidents to hit the right front of the cars and when they do they damage the wiring harness. The rain,salt,snow get in the harness and you eventually have problems. Look under the car in front of the right front tire and you'll see. Good size wiring harness. Look at it for damage,or sometimes you'll see like a light green dust coming out of the harness. Usually where I find my breaks,shorts or opens.

Apr 06, 2013 | 2004 Ford Crown Victoria

2 Answers

I cannot get any power from my bike. When I turn the key switch on im not getting any power at all, what can be the problem?


all power should work even with a bad ecm..check your battery wires for corrosion ,,a white powered substance..it will be in the wire sheeting. If you see this new wires are needed. Bad ecm keeps it from running only. Lights should still work. Possibly bad ignition switch..make sure you have a good body ground..

Aug 02, 2012 | 2003 Suzuki TL 1000 R

1 Answer

Location of Relay for an amp turn on on a 02 town and coutry


hi,
its not a relay, its a small amp, our caravan has one. you have to find the amp relay wire coming out of the stock harness , use a haynes or chilton manual for the color and connect that wire with switched power wire from the ignition. using two amps in series may be too much preamp voltage for your new setup so you may have to splice before the stock amp under the dash, or manually wire around the stock amp, the stock amp is fused with the cig lighter and isnt listed, check that fuse too.
good luck
.jm

Nov 07, 2010 | Car Audio & Video

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