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I have a 1980 Sportster 1000 with electronic ign, i hard wired it like a chopper, I only have generator, coil, solenoid, starter motor, on off switch, starter relay, push button start, key switch w electronic ignition do I have to keep the ignition module that's mounted to the bottom of the battery tray? I have the pick up/cam sensor that has the empty cup behind it, 3 wires- green red black-red to hot on coil green to other end (neg) on coil and black is ground. Do i need the module in order for bike to run? Do i need a pick up w an advanced rotator assembly behind it if I DONT have the module? why do people take the electronic pickup out and put in points? What is the reasoning for that? Bike came w elect. ign. With points I'm constantly setting my timing and replacing??? elec.all i do is install it, no time setting needed (different bike tho)

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  • Motorcycles Master
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Sorry, again far away from my expertise but if you have a pick up/can sensor with electronic module you should not need another electronic ignition module. I am not clear on what you do have. I also do not know why anyone would go back to points and condenser but if you did you would have to have ignition without any electronic modules. unless you tried to incorporate some kind of CDI system operated with points. I wonder if you cannot find an after market complete ignition system for what you are trying to do. I do not know how much you know or understand about primary or secondary ignition wiring or how the coil works. The coil usually has current to it at all times unless and until the points open or a transistor opens or cuts the flow of current to ground which collapses the primary current into the secondary windings which induces the high voltage to spark the plug. So, whatever system you have or devise it must do that. It must be able to control the current flow through the coil primary windings by cutting it off at the proper time to induce a spark at the correct time. Points do this by opening and transistorized or electronic ignition do this with semiconductors or transistors.

Posted on Dec 11, 2014

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?Had a new starter and new battery put on my 1999 Chevy Tahoe.. we by it starts sometimes and sometime it don't..what could the problem be


I'm assuming just by the fact you had a new battery and new starter that sometimes when you turn the key to the start position , nothing happens . Is your vehicle a automatic transmission ? When it doesn't start have checked for battery voltage at the starter solenoid S terminal ? Is there B+ voltage at pins 30 & 86 for the starter relay ? Pin 86 while cranking the engine or trying to crank the engine over . Pin 30 check with key on . Try moving gear selector to neutral . Videos on youtube for basic automotive electrical testing . How to voltage drop test starter motor circuit Find a wiring diagram at www.bbbind.com
Starting System Circuit Description
Voltage is applied at all times to the ignition switch from the IGN A fuse 6 through CKT 242 (RED). When the ignition switch is turned to the START position, voltage is applied to the CRANK fuse 8 through CKT 5 (YEL). From the CRANK fuse 8, voltage is either applied to the clutch pedal position switch (M/T) or the transmission range switch (A/T) through CKT 806 (PPL). When either the clutch is disengaged (M/T) or the transmission is in park or neutral (A/T), voltage is applied to the coil of the starter relay through CKT 1035 (PPL/WHT). Since the starter relay is permanently grounded at ground G105 through CKT 150 (BLK), the starter relay energizes.
Voltage is applied at all times to the starter relay contacts from IGN A fuse 6 through CKT 242 (RED). When the starter relay energizes, the starter relay contacts close, and voltage is applied to the starter motor solenoid. Since the starter motor solenoid is permanently case grounded, the starter motor solenoid will energize two coils. The pull-in winding coil energizes in order to pull the starter motor solenoid contacts closed. When the contacts close, a plunger on the contacts causes the pull-in winding coil circuit to open. The hold-in winding coil then holds the starter motor solenoid contacts closed. Voltage is then applied to the starter motor from the battery through CKT 1 (BLK) and the closed contacts of the starter motor solenoid. Since the starter motor is also permanently case grounded, the starter motor will run until the ignition switch is moved out of the START position. When this happens, a spring in the starter motor solenoid moves the starter motor solenoid contacts and the plunger back to the rest position.

Jan 07, 2017 | 1999 Chevrolet Tahoe

1 Answer

1999 GMC Sonoma 2.2L will not start.


What is wrong????????? That would be a guess on anyones part here ! Testing the electrical circuits involved would be the proper way to diagnose this no start problem ! Using a volt meter an wiring diagram to check voltage at different point's in the starter circuit . voltage drop testing ! Plus knowing how the starter system works !
Starter Circuit Operation
Voltage is applied at all times to the ignition switch from the IGN A fuse through CKT 42 (RED). When the ignition switch is turned to the START position, voltage is applied to the CRANK fuse through CKT 5 (YEL). From the CRANK fuse , voltage is either applied to the clutch pedal position switch (M/T) or the park/neutral position switch (A/T) through CKT 806 (PPL). When either the clutch is disengaged (M/T) or the transmission is in park or neutral (A/T), voltage is applied to the coil of the starter relay through CKT 1035 (PPL/WHT). Since the starter relay is permanently grounded at ground G102 through CKT 150 (BLK), the starter relay energizes.
Voltage is applied at all times to the starter relay contacts from IGN A fuse through CKT 42 (RED). When the starter relay energizes, the starter relay contacts close, and voltage is applied to the starter motor solenoid. Since the starter motor solenoid is permanently case grounded, the starter motor solenoid will energize two coils. The pull-in winding coil energizes in order to pull the starter motor solenoid contacts closed. When the contacts close, a plunger on the contacts causes the pull-in winding coil circuit to open. The hold-in winding coil then holds the starter motor solenoid contacts closed. Voltage is then applied to the starter motor from the battery through CKT 1 (RED) and the closed contacts of the starter motor solenoid. Since the starter motor is also permanently case grounded, the starter motor will run until the ignition switch is moved out of the START position. When this happens, a spring in the starter motor solenoid moves the starter motor solenoid contacts and the plunger back to the rest position.


Starter Voltage Drop

How to voltage drop test starter motor circuit

Jun 23, 2017 | 1999 GMC Sonoma

1 Answer

New generater,new regulater,new starter,and new battery and battery still not charging


Polarize the battery. This is done, with the motor off, by momentarily placing a jumper wire between the positive terminal of the battery and the "A" or armiture post of the generator. You shoud see a small spark. Remove jumper and start the bike, check voltage at battery.

Sep 01, 2012 | 1979 Harley Davidson XLH 1000 Sportster

1 Answer

Can i chopper wire a 93 sporty. An d how would I do it. And does anyone have a diagram..


Yeah, sure, you can chopper wire nearly any bike. We call it an eight wire wiring harness. I don't know of anyone that has a wiring diagram but all you do it run hot wires to everything you want to work. Run the hot wire to the ignition switch. Then from there you to to the headlight, the tail light, the brake light switch, the ignition coil, starter switch. Then from the switches to the device.

Good luck
Steve

Jul 18, 2011 | 1993 Harley Davidson XLH Sportster 883

1 Answer

1979 sportster - selenoid has 3 wires, 1 batter +, 1 starter, 1 starter button, other side of starter button goes to power, hit starter button motor turns over, release starter button, starter keeps...


Or the big washer in solenoid is burnt & sticking take apart sand big copper washer & part it touches reassemble .. you may also ask this ? at harleytalking.com they have helped me...

Apr 21, 2011 | 1979 Harley Davidson XLH 1000 Sportster

1 Answer

My sportster won't start. I just confrimed the battery is fully charged. All electronics work properly. When I press the starter, all you hear is the clicking from the engine.


That is the starter motor not turning but the solenoid cutting in.
Place a test lamp on the fat wire that connects to the starter motor from the solenoid and press start. If the lamp lights the brushes have worn out in the starter motor. If it doesn't ligt the solenoid is faulty.
Hope that helps.

Jan 04, 2011 | Harley Davidson XL Sportster 883...

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