What happens when you disconnect the battery on a Harley?

Since disconnecting the battery on my harley it wont start. Bike still has power all lights etc since disconnecting the battery on my harley it wont start. Hey there!

What happens when you disconnect the battery in a car?

When the battery is disconnected this provides the reset signal that the PATS system is looking for. There are several “gangs” inside the ignition switch. A set of wiring diagrams would be needed to confirm which fuses should be “on in start/run”. It would then be possible to test the the fuse to see if the circuit is acting like it should.

What happens to the PCM when the battery is disconnected?

The PCM is looking for the the “start/run” circuit to pulse which would be expected when the ignition key is turned on/off. But because of the switch fault this isn’t happening. When the battery is disconnected this provides the reset signal that the PATS system is looking for.

What happens when you take the NEG battery cable off?

Taking the neg battery cable off is resetting SOMETHING that is causing the problem. PATS is going off. Taking the neg battery cable off is resetting SOMETHING that is causing the problem. Click to expand… Weak battery and poor connection at the terminals (dirty, corroded).

How do you disconnect auto battery?

Disconnect the battery then unscrew the brackets holding it in its tray. Car batteries are heavy so lift the battery up, out of its tray with care. Use diluted baking soda mixture with old toothbrush to brush the tray and connectors. Do not put the new battery before they dry.

How do you disconnect a car battery?

How to Disconnect Your Vehicle’s Battery Step 1: Locate the Battery Step 2: Locate the Positive and Negative Terminals Step 3: Find the Right Wrenches Step 4: Unbolt the Cables Step 5: Remove the Battery Hold-Down Clamp If You’re Storing Your Vehicle

How do you install a battery cut off switch?

Step 1: Locate the battery in your vehicle. Step 2: Remove the negative battery cable. Step 3: Install the battery cutoff switch. Step 4: Connect the negative terminal to the cutoff switch. Step 5: Activate the switch. Step 6: Test the battery switch.

What is a battery master disconnect switch?

Battery Master Disconnect Switches. Master Disconnect Switches designed for 12 VDC vehicles (Truck, Automotive, Marine, RV) to disconnect all circuitry to reduce possibility of theft and accidental electrical fires. Available in keyed or lever versions, with or without indexing pins, and various sizes of terminal studs.

Why does my Harley Davidson bike not start?

BIke won’t start. Acts like a dead battery but it isn’t! | Harley Davidson Forums BIke won’t start. Acts like a dead battery but it isn’t!

How to fix a Harley Davidson Softail Sportster?

Style and Performance Upgrades Milwaukee Eight Touring Softail & Dyna Sportster Everyday Hog How-To Fix My Hog Projects M8 Cam Upgrade Cam Chain Tensioner Shoe Cam Gear Drive Conversion Carburetor Rebuild Electrical Systems Handlebars 101

What to do if your Harley Davidson battery is dead?

If your Harley’sbattery is dead then you have come to the right place! This motorcycle battery finder will help you select the right battery for your Harley.

What happens to the battery in a Harley Davidson Softail?

When a battery discharges, water takes the place of the electrolyte, which will not create the needed electrons for the bike to start and recharge. This is why it’s important to periodically charge your battery if it’s left unused for an extended period of time.

Since disconnecting the battery on my harley it wont start. Bike still has power all lights etc since disconnecting the battery on my harley it wont start. Hey there!

BIke won’t start. Acts like a dead battery but it isn’t! | Harley Davidson Forums BIke won’t start. Acts like a dead battery but it isn’t!

How do you replace a battery on a Harley Davidson?

If you have a battery box, you’ll need to unhook the battery strap from the right side of the battery. Depending on your year model, your cables may use Phillips head screws or small bolts that require a 8mm or 10mm socket. Loosen the screws/bolts by turning them counterclockwise.

Why does my Harley Davidson still have power?

Bike still has power all lights etc since disconnecting the battery on my harley it wont start. Hey there! I entered diagnostic mode on my 2018 Heritage because of a check engine light.

Why are the lights on my Harley not working?

I went out to start up my bike and noticed that the lights and horn were not working and the headlights a … read more Disclaimer: Information in questions, answers, and other posts on this site (“Posts”) comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts.

Why does my Harley Davidson tri glide not start?

Automotive Service Technol… Have a throttle body fluttering noise with the ignition turned off. As soon as I connect the battery it happens .. with ignition on or off. Seems to … read more Vocational, Technical or Tra… 2002 HD 1200 Sportster XLS starting but not staying on. The I have a 2014 tri glide that I’m getting no power to my gages.

Why does my bike light flash when I turn it off?

The security system lights only flash after I turn off the bike. I have the bike in neutral and I even tried pulling in the clutch a couple of times. I checked the wire to the solenoid and it had power. Almost certainly it’s a battery problem, either low charge or bad cable connection.

Why does my electric bike battery not charge?

Your battery won’t charge or won’t hold a charge (you charge it for 10 hours and it’s still dead). Discharging issues. These come in two varieties as well, firstly your battery appears to be dead. You take it out and reconnect it and it works again. The second one is that a fully charged battery dies very quickly. Charging Issues

When I turn on the bike and put it in the run position, the fuel pump kicks on, but when I push the start switch the bike doesn’t even try to turn over. The battery is fully charged and the fuel pump turns on when I push the switch, but nothing else happens.

Why is my Harley Davidson Ultra Classic not starting?

I have a 2010 ultra classic with ABS. It is not starting. The battery voltage is 12.75 off the battery. When I turn the main switch on, I get a drop to 12.5, and when the kill switch is turned on, I get a drop to 12.38. The self test goes out and hit the start switch with nothing – no volt drop, no starter engage, no nothing. DEAD.

Why does my Harley Davidson crank but not start?

There have been a few reports of a P1009 code – incorrect password also. It appears the turn signal and stalls or cranks but will not start. Try removing the ecm and security fuses, wait ten minutes and reinstall the fuses. This “reboots” the turn signal module and the motorcycle will then start from that point on.

If you can start the bike this way; the start switch is probably bad, or a wire may be damaged. Let us know what you find. Sounds like you know what you are doing. You are not going to believe this – but – it was the battery in the key fob. The bike has to have a signal from the key fob before it will allow the bike to start.

Bike still has power all lights etc since disconnecting the battery on my harley it wont start. Hey there! I entered diagnostic mode on my 2018 Heritage because of a check engine light.

What’s the voltage on a Harley Davidson starter?

I check the voltage at the kill switch and get 12.3 from the black and white wire that goes to the kill switch and the start button. But, I only get 9.2 volts from the black and red wire from the start switch to the start relay. All the fuses are good and there are 12 volts to the starter and the solenoid.

What to do if your Harley Davidson won’t start?

Get (2) 12″ pieces of wire and stripe 1/2″ from each end. Insert 1 wire into the female terminal that would be #30 in the fuse panel socket. Insert the other WIRE (NOT END of 1st wire) into #87 of the fuse panel socket. 6) Make SURE bike is in NEUTRAL. 7) Turn on ignition ON and Kill switch to run.

What to do if your bike won’t start?

1) Place Bike in NEUTRAL. 2) Remove the fuse cover and locate the start Relay. It is the GRAY one. On the inside cover there is a label that will identify the START Relay. 4) Look at the bottom of the removed gray relay closely. You will see pin notation as follows. 87,,87A,,30,,85,,86. 5) Leave the relay REMOVED from the bike.

Why is my Harley Davidson Road King not starting?

If you have a Tachometer, disconnect it. A bad tach can interrupt proper coil function. i have problem error code U1301 in Harley Davidson Road King 2009 and test everything not starts . I have a 92 FXRSP, I recently replaced my switches and I had a new battery.

Your battery may have enough charge to run the electronics, the fuel pump even, but not enough to turn over the motor. With a digital multimeter, test the battery’s voltage. If is isn’t reading over 12V, you’re under charged and it’s a good place to start. Plug in your battery charger, and come back in an hour to try again.

What to do when your Harley Davidson won’t start?

Try neutral with clutch pulled in. Also battery connections , solenoid wire. The security system lights only flash after I turn off the bike. I have the bike in neutral and I even tried pulling in the clutch a couple of times. I checked the wire to the solenoid and it had power.

Why does my Harley Davidson not have power?

I checked the wire to the solenoid and it had power. Almost certainly it’s a battery problem, either low charge or bad cable connection. Charge the battery on a good bench charger, not a Tender, but a real charger. Remove and reconnect both battery cables making sure they are tight and connections are clean.

Why does my Harley won’t start up?

Common Reasons Why Harley Won’t Start Troubleshooting Weak or Dead Battery This is the first major reason you might be having a problem starting your bike. If you are experiencing very dim light or if the light goes off when you turn on the ignition, it could be that your battery is dead.

What should I do if my motorcycle battery wont start?

If you don’t see these symptoms or are otherwise unsure what to look for, the first step is ensuring that the battery is operational and providing the maximum voltage. To confirm your battery is still good, you should visually inspect it, check the voltage, and load test the battery. A visual battery inspection should involve:

Why does my car not start after disconnecting the battery?

As soon as the battery is connected up, the car starts fine…. If not: it can be that the switch to cut of the fuel in case of accident is activated. That switch is located beside of the dashboard, behind the panel you can reach when opening the door. These switches activat rather quick. Click to expand…

Can you change the battery on a Harley Davidson?

Not a dumb question… yes, if the bike has a security system you must turn on the ignition switch, and with it on, pull the maxi fuse. Then you can disconnect the old battery without the security complaining. Once the fuse is pulled, you can turn off the ignition if you want. Once you install the new battery, then replace the fuse.

Why does my alarm go off on my Harley Davidson?

When I disconnect the battery negative cable the alarm goes off,really embarrassing.My bike is a 2003 Dyna wide glide. Steve, You need to have your key F.O.B present when disconnecting the battery.

How do I change the battery on my Road Glide?

Before disconnecting my battery I need to put the bike in ACC Mode and pull the maxi fuse. Once the battery is changed I’m supposed to put the bike back in the Off Position and then reinsert the maxi fuse. I did my own research and learned that the alarm siren will sound when I disconnect my battery.

When I disconnect the battery negative cable the alarm goes off,really embarrassing.My bike is a 2003 Dyna wide glide. Steve, You need to have your key F.O.B present when disconnecting the battery.

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