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Motorcycle dies when you turn key to turn on lights. Could this be a problem in the wiring, or a bad lighting coil?

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My issue with a quad i owned had the same issue. The prior owner added a winch and attached the power wire to the lights. When i turned the lights on it turned off unless i gave it some gas while turning the lights on. I disconnected the winch and i was ok. Is the fuse proper amp, bad ground or any new electrical additions? I would take a meter reader and start checking where the power source comes in and goes out like a regulator.

Posted on Nov 19, 2013

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Posted on Jan 02, 2017

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What could keep my coil from firing ? I have the Ignition control signal and 12v. while cranking over engine at the top primary wiring of coil. Can you help me get spark?


Sounds like the security system is causing your problem. Is the "security" light flashing? If it is, turn the key on, leave the key in the ON position for 10 minutes. The light will stop flashing. Now, turn OFF the key, turn it back to ON, and then crank it. It should start. If the security light starts flashing again, go through the process again until it starts. This is resetting the security system after the battery has died, battery has been changed, radio was changed, instrument cluster was removed and replaced, etc. Hope this works for you.

Mar 29, 2016 | 2001 Chevrolet Silverado 1500

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Simple: First thing is get a test light, hook the test light up to the negetive...


simple: First thing is get a test light, hook the test light up to the negetive side of the battery. take your test light and touch it to the positive side of the coil ( should have a + sighn on it ) have someone turn the key on and look for the light to come on. if it dosen't then check for blown fuses or brokenwires to positive side of coil. If light does come on move to next step..
now hook your test light to positive side of battery, touch your test light to the negetive side of the coil ( it should have a - sighn on it, then have an assistant spin the engine over if the light blinks rapidly and still no spark from coil then the coil is bad. if there is no blinking light then the ignition module or points are whatever controls your trigger to the coil is bad.

on Jan 02, 2010 | Motorcycles

1 Answer

With engine running I turn the key to turn on lights & the engine dies


try testing the ignition switch and see if power is at the light term. or a missing/broken wire.

Nov 19, 2013 | Yamaha Motorcycles

1 Answer

I have a 1990 FXR super glide Harley. It is shutting off while riding. If i turn the key to off and back to in, It'll start again but the problem we continue until it won't start again. I've checked my...


I had a similar problem with the bike in my avatar.
It'd be running along, then all electrical would die (engine, lights, etc).
Turn key off, then back on, and all would be good until next time.

It turned out to be a bad ignition switch.

Sep 04, 2013 | Harley Davidson FXR Super Glide...

1 Answer

Will not shut off with key or kill switch it shuts off by lowering the kick stand and putting it in gear.


you have a disconnected wire in the switch housing on your on off switch.
either broke wire or bad/dirty switch not making contact.

As for the key switch, your wire in the key switch harness that shuts the power off to the coils is touching a constant hot wire, probably at the back of the switch.
Get a test light and find which wires are hot when the key is switched on and then when its switched off. If wires seem okay, the the problem is in the switch itself.

Check the wires first with a test light.

Dec 08, 2010 | 1993 Honda CB 250 Nighthawk

1 Answer

Started bike reved it up and it died turn on key no lights no nothing


I would imagine you have a bad connection on your battery or a failing battery. I would check the wiring for a loose plug and check the fuses.

Nov 15, 2009 | 1993 Suzuki VS 800 Intruder

2 Answers

94 gmc jimmy turns over starts for a second and dies has 60 psi at manifold new fuel pump new filter new relays new censors


Buy a tester to see if the spark plugs are getting fire as soon as it dies put the test light on a spark plug wire and see if you get spark if you don't get spark test positive side of coil is there voltage? On the positive side of coil put test light on the coil and put the other end on a ground and see if you have power to the coil if not you need to locate the coil resistor and see if it's defective. Let me know what you find out. Also check or replace the oil pressure switch on the back of the block, as it will cause the same thing. Please rate if this was helpful.

Aug 08, 2009 | 1994 GMC Jimmy

1 Answer

My nissan


If you have a 12 volt test light put the point on the positive lead to
the coil and the ground lead to a good ground ( Negitive side of battery ). Then turn the key on. If the test light comes on then you have power to the coil. With power to the coil confirmed have someone crank the engine and put the test light on the negitive side of the coil. The light should flash at a rapid steady rate. If not then your pickup in the distributor may be bad. If no power to coil with key on or when cranking you may have a bad ignition switch.
Another way to test for spark is to remove the coil wire from the dist cap and hold the end close to a ground ( 1/4 inch away) and
have some one crank the engine. If you get a good spark but no
spark to the spark plugs you may have a cracked dist cap or a bad rotor. If no spark at coil wire use a wire in place of the coil wire to check for spark. You may have a bad coil wire. Good luck. Neil W.

Dec 24, 2008 | 1983 Nissan Pulsar

1 Answer

Car wont start


test light on neg with key on power at both sides of coil ???? next test light on bat plus put to coil neg and have somone turn car over if test light flashes and still no spark coil is bad if test light no flash ignighter is most likely bad the ignighter switches ground on your coil for spark

Dec 23, 2008 | 1994 Toyota Camry

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