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Message started by aj108 on 09/16/17 at 16:21:36

Title: Need help troubleshooting electrical issue
Post by aj108 on 09/16/17 at 16:21:36

Hello everybody,

My bike is running fine since last time I posted, but there's a new issue afoot. All of the following happened overnight, so one incident caused all of the following:

1. Headlamp does not turn on, lows or highs. The blue headlamp indicator on the console lights up for highs as it should.
2. Left Rear Turn Signal Lamp does not turn on. The green left turn indicator arrow does not turn on as it should.
3. Both front turn signal lamps shine, but the front left turn signal lamp does not blink.
4. No lights blink when I switch the hazard lights on.

I've taken my seat off and explored every wire outside of the tape. I've changed the bulb on the rear turn lamp and the headlamp to no effect (just to be sure). I've checked every fuse I could find. I took the headlamp off and figured out which wires are (most likely) which.

Today, before it started raining, I found an interesting black box wedged between the front fork and the gas tank on the left. I took it off its mount and it does not contain a fuse but it's a solid black box. Is this what they call a relay?

Is there a definitive electrical problems check procedure? Do I have to start cutting wires out of the tape?

Thanks!!
AJ

Title: Re: Need help troubleshooting electrical issue
Post by aj108 on 09/16/17 at 16:22:31

Forgot to mention that i'm driving a 2008 Suzuki S40 Boulevard (formerly LS650 Savage).

Title: Re: Need help troubleshooting electrical issue
Post by verslagen1 on 09/16/17 at 16:40:00

PUT THE WIRE CUTTERS AWAY. It's much more effective to use a shotgun...JK. :-?

Check the connectors on each side of the frame... remove replace.

Title: Re: Need help troubleshooting electrical issue
Post by Dave on 09/16/17 at 17:42:09

When both beams of the headlight go out.....it generally is the ground wire in the harness. Test the headlight wires (white/yellow) and see if there is power to them - if so test the black ground wire and confirm it provides a ground.

Title: Re: Need help troubleshooting electrical issue
Post by Gary_in_NJ on 09/16/17 at 18:18:04

As suggested above, check the wire harness connectors from the handlebars back for corrosion and make sure they click together. I'd use dielectric grease on reassembly.

Do you have critters in your garage? Perhaps they chewed on some wires between the tank and the engine. They do love a nice warm place to sleep and eat.

Title: Re: Need help troubleshooting electrical issue
Post by aj108 on 09/16/17 at 18:33:57

Thanks to you both I can't wait to get up and try in the daylight. I'll check connectors on the frame and test white/yellow headlight wires after I go to home depot and get a volt meter.

Thanks again

Title: Re: Need help troubleshooting electrical issue
Post by aj108 on 09/16/17 at 18:36:43

Hi Gary,

THanks for responding. I keep my bike outside so it's entirely possible. The handle bar connectors are the plastic pieces that are like male and female electrical components right? I've been pulling them apart and putting them together and blowing them out with air in a can. Did not know I should get grease but I'll look for some while im out at home depot.

Title: Re: Need help troubleshooting electrical issue
Post by justin_o_guy2 on 09/16/17 at 18:39:32

Dialectic grease from a parts store

Title: Re: Need help troubleshooting electrical issue
Post by aj108 on 09/16/17 at 18:55:41

Got it I'll go to AutoZone

Title: Re: Need help troubleshooting electrical issue
Post by aj108 on 09/24/17 at 11:30:45

Hi,

I destroyed first multimeter and will get new one this afternoon.

Is there a guide on how to read a chart like this:

http://suzukisavage.com/yabb2.2/Attachments/2007-2009_Wiring_Diagram.jpg

Is the black/white striped wire coming from the headlight the ground write?

Thank you!

Title: Re: Need help troubleshooting electrical issue
Post by aj108 on 09/24/17 at 11:32:52

Edit: I meant to say ground wire, not ground write

Title: Re: Need help troubleshooting electrical issue
Post by justin_o_guy2 on 09/24/17 at 12:22:31

Cool, not ground write..
Easy enough,
For the future, in the upper write
there is a Modify button.
Click it, go to the mistake, click, backspace, change the word, hit Save.

I destroyed first multimeter and will get new one this afternoon.

How did you wreck the meter?
They usually have a fuse, even harbor freight meters have one. Hard wired in, IIRC, but replaceable with care and determination.

Title: Re: Need help troubleshooting electrical issue
Post by batman on 09/24/17 at 18:02:42

Yes black and white wires are grounds