Question about 2008 Harley Davidson FLTR Road Glide

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Start buttom does not energize starter - 2008 Harley Davidson FLTR Road Glide

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Start by disconnecting the starter solenoid small connector and bring 12 VDC directly to the small wire solenoid terminal. If the starter then operates you will know that there is no problem with the starter but with either the low or the medium current circuits. If the starter does not work when you do this you either have a bad starter or solenoid or a poor battery to starter cable or ground etc. If you then test for battery voltage at the wire end of the solenoid small wire end that you removed from the starter by using a voltmeter on it while you press the starter button with the ignition and run switches and you do not get a good 12 VDC reading you will know there is a problem with the low current starter circuit. If the low current circuit is good you should also hear the starter relay click when you press the starter button with the ignition and RUN switches ON. If there is no small click from the starter relay first check the starter fuse and if that is okay there should be 12 VDC to the 30 terminal on the starter relay with the ignition switch ON and the run stop switch in RUN . If there is not then you will have to find out why not. If there is power to the 30 terminal there should also be power to the 85 or 86 terminal (86 is usually the ground but it seems it is not always and sometimes it is the 85 that is the ground). When you press the starter switch if the low current circuit which is through 85 and 86 is good it should pull down the internal relay contact and allow power from the 30 terminal through to the 87 terminal which is the wire out to the starter solenoid small terminal. If the starter relay does not activate you will need to find out why not. If there is power to the 30 and either the 85 or 86 and the other ie the 86 or the 85 has good continuity to ground then the relay is bad and needs to be replaced. If there is no power to the 30 terminal and therefore also either the 85 or the 86 there is either a bad starter fuse or ignition switch or run stop switch or the starter button OR the wiring between them.

Posted on Dec 10, 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

Clicking sounD wneh trying to start


Usually that sound means a low battery.

The clicking is caused by the battery voltage dropping below 9 volts, due to the load drawn by the starter, when the starter solenoid engages. The low voltage isn't enough to keep the solenoid energized and its spring returns it, thus cutting power to the starter. Absent the starter's load, voltage is restored, energizing the start solenoid and the cycle repeats.

In any case, when the battery gets that low you usually need to leave the jumper cables connected for 5-10 minutes before trying to start it.

Jul 08, 2014 | 2002 Jeep Liberty

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

Mercedes benz e320 2004. car sometimes doesnt start. could be a missfire maybe? every once in a while it doesn't start. it clicks once only. i try it for about 4 times or so and it starts normal. sometimes...


get a ford starter solenoid and install it in the line to the starter connect the big solenoid terminals from battery on one side to the starter solenoid energizer terminal on the other side, use wire to solenoid in harness to new solenoid energizer terminal on ford solenoid. common problem with german cars these days, this is a permenant cure

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1 Answer

JY43CDWOOXA233385 Warrior start relay


relay is stuck possibly,try a known good one.

Jun 18, 2013 | Motorcycles

1 Answer

Starter not getting voltage


The starter gets powered by the solenoid which is energized when the ignition key is turned to the start position. Look at the picture below and read the sequence of operation below it. Once you find out what is NOT happening - you can troubleshoot back from there.

8_23_2012_9_53_22_pm.jpg

The IGNITION KEY SWITCH is connected by a small wire to the terminal in the GREEN circle on the SOLENOID. The battery is connected by a thick, heavy cable to the terminal in the RED circle of the SOLENOID. The terminal in the YELLOW circle of the SOLENOID is connected to a thick, heavy cable that goes directly into the STARTER MOTOR.

The -12 volts from the battery is connected to the car's engine, frame and body. The entire car has -12 volts available to all electric (and mechanical) parts, so only one wire is needed to energize those parts.

When the key is held in the START position, +12 volts from the battery is passed through the IGNITION SWITCH to the GREEN terminal on the SOLENOID. This causes the SOLENOID to (1) become energized, (2) internally physically connects the +12 volts RED terminal to the YELLOW terminal and (3) physically engages the STARTER to the engine's flywheel. When this happens, the +12 volts from the battery appears on the YELLOW terminal; and directly into the STARTER MOTOR. The STARTER MOTOR spins. Since it is engaging the flywheel, the flywheel turns too and the engine attempts to start. Once the engine is running, the key is released. The SOLENOID (1) becomes de-energized (2) opens the physical connection between the RED and YELLOW terminals, (3) disengages the STARTER MOTOR from the flywheel and the STARTER MOTOR stops spinning.

I hope this helps!

Aug 23, 2012 | 1998 Honda Accord

1 Answer

2007 Softtail, were is the starter ground wire? When i push the start button i hear a clack clack.


The starter is grounded through it's body. Ventually another ground runs from the engine to the battery, but not near the starter.
Your description sounds like your solenoid is firing, but no starter function. This can be low battery, soleniod contact problems, starter problems (like damaged windings)...
Start with carefully clipped on jumper cables and see what you get...

If low battery, usually you get rapid clicking: you have enough power to energize the solenoid, but not enough to run the starter motor, so voltage drops, solenoid de energizes, it relases. THEN there is enough battery, solenoid energizes,....and this cycle happens many times a second.

Hope this helps you to get to the bottom of what is happening. MOST likely is battery power. I always disconnect negative cable for longer parked intervals.

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1 Answer

Dryer won't start. Tried a new start button, then tried a new thermal fuse. Any suggestions?


Check the starter switch on the motor, Push button switch energizes the starter windings on the motor, but through the switch on the motor that's designed to prevent the starter windings from being energized when the motor is up to speed.

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