Electrical conundrums - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 25 Old 06-18-2017, 07:43 PM Thread Starter
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Question Electrical conundrums

I recently posted about a Denali light going out, and since got it replaced - also replaced the R/R and the battery since then. I am now (within the last couple of weeks) having a few different electrical things happen that are just plain odd.

1) The SAME (left) denali light went out
2) My heated grips randomly turn on to level 1 or 2 out of 4.
3) My left brake light blew (it's an LED, but still this same bulb/s had been in my honda for several years and never went out)

Does this scream to the same source at all for anyone? Water somewhere? Bad connection somewhere? I have checked all the connections I could, but there's a crap-ton - no idea what I'm looking for. I don't ride in the rain much/at all, but I do wash the bike at a self-serve car wash. Nothing but oddities since I got this a few months ago, and the previous guy (a friend) had never had a single issue.

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post #2 of 25 Old 06-18-2017, 09:54 PM
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Due to my expertise I had a bad ground that took out the GPS and heated jacket source.
Go back and rework your wiring.
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post #3 of 25 Old 06-18-2017, 11:32 PM
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+1

And avoid that high pressure wand at the self-serve car wash like the plague. Or, at least keep your finger off of the trigger.

At high pressure soap it can clean the carefully applied di-electric grease off a light bub or a 10 pin connector. The moisture left behind in tight spaces isn't necessarily a FAil waiting to happen, but...
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post #4 of 25 Old 06-19-2017, 09:20 AM Thread Starter
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Quote:
Originally Posted by notacop View Post
Due to my expertise I had a bad ground that took out the GPS and heated jacket source.
Go back and rework your wiring.
Where did you find your bad ground?

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post #5 of 25 Old 06-19-2017, 09:22 AM Thread Starter
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Quote:
Originally Posted by Austin44 View Post
+1

And avoid that high pressure wand at the self-serve car wash like the plague. Or, at least keep your finger off of the trigger.

At high pressure soap it can clean the carefully applied di-electric grease off a light bub or a 10 pin connector. The moisture left behind in tight spaces isn't necessarily a FAil waiting to happen, but...
What plugs (unless the answer is just ALL of them) should I make sure have some di-grease on them? This thing seems like a rat's nest compared to my last bike, especially with all of the farkles from the PO.

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post #6 of 25 Old 06-19-2017, 09:25 AM
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My bad ground was a wire I had bolted to the frame by the steering head. Frame ground, right? Nah! I ran a new wire back to the battery negative pole.
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post #7 of 25 Old 06-19-2017, 09:55 AM Thread Starter
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Pictures of the Denali light - it isn't totally off I found out after taking a closer look, it's lit ever so slightly. I have never seen an LED chip do this before???

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post #8 of 25 Old 06-19-2017, 01:48 PM Thread Starter
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Quote:
Originally Posted by notacop View Post
My bad ground was a wire I had bolted to the frame by the steering head. Frame ground, right? Nah! I ran a new wire back to the battery negative pole.
Hmm, ok. Really tough for me to know what everything is since the PO did so much electrical-related add-ons!

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post #9 of 25 Old 06-19-2017, 02:40 PM
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post #10 of 25 Old 06-19-2017, 03:12 PM
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Quote:
Originally Posted by dcdegallier View Post
What plugs (unless the answer is just ALL of them) should I make sure have some di-grease on them? This thing seems like a rat's nest compared to my last bike, especially with all of the farkles from the PO.
I dunno about the rat's nest on the V-Strom being worse than wiring harness on any other liter bike.

Just my opinion, based on "Failures I Have Known", but the 2 multi-connectors resting in a pocket in the left side cowling plastic, the connectors downstream (moving up ) to the headlights, ignition switch, instrumentation, and THE engine ground connection.

Second rank of importance includes the sidestand safety switch, tail/brake/turn signal connectors in the cavern under / behind seat, connector on the radiator ( right rear location, temp / fan control switch ), and the contacts in the handlebar left and right controls (start switch, high-low beam, etc.).

Black w/ white stripe wires are usually the supplied, all-important ground wires that are vital since the frame is NOT usable as a ground. Notacop hit the nail on the head. Install your own ground wire from battery.
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