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Posted by Milky1112
- March 25, 2014, 12:57:30 PMQuote from: Troll on March 25, 2014, 12:47:44 PMOnly when my eyes are closed...Looking carefully at the wiring diagram reveals that there is just 1 illumination bulb for the speedo, and the other one uses the same ground, but the power is from the high beam circuit. Sooo this mysterious "lower" bulb is actually working as designed...talk about a rabbit hole! Let me ask you a question...do none of you ride at night?
Posted by Troll
- March 25, 2014, 12:47:44 PMLooking carefully at the wiring diagram reveals that there is just 1 illumination bulb for the speedo, and the other one uses the same ground, but the power is from the high beam circuit. Sooo this mysterious "lower" bulb is actually working as designed...talk about a rabbit hole! Let me ask you a question...do none of you ride at night?
Posted by Milky1112
- March 25, 2014, 06:25:51 AMQuote from: CDNRatMan on March 24, 2014, 22:02:31 PMLet me know what you find.. cause i'm soon to be doing the same thing.. Just strange that it suddenly goes out when all you do is disconnect the connector..I could not get any power at the socket, and none along the length of the wire, but I'll spend tomorrow after work checking it again and check the ground also.
Posted by CDNRatMan
- March 24, 2014, 22:02:31 PMI could not get any power at the socket, and none along the length of the wire, but I'll spend tomorrow after work checking it again and check the ground also.
Posted by 2beers
- March 24, 2014, 20:33:46 PMQuote from: Milky1112 on March 24, 2014, 19:47:06 PMDidn't want that oil pressure light thing to be contagious, that's for sure! And i'll be checking my lower light tomorrow...Got my bulbs today.. put things back together... oil pressure light didn't work.. Oh i started to curse you 2beers!!!!! Turns out.. socket was a tad loose... Pulled back apart, tightened back up.. Works like a true pilsner... Now the BAD: One of my speedo bulb sockets quit working (lower) So time to replace that.
Posted by Milky1112
- March 24, 2014, 20:06:00 PMQuote from: CDNRatMan on March 24, 2014, 19:49:07 PMYour lower bulb out too??? Mine was blown when i got the bike, didn't think anything of it.. changed them out with new bulbs.. They share a common ground (for the lower part of the speedo and upper) So i think it may be a bad socket... Problem is finding one without replacing the entire harness... When a couple splices will do the trick.That is the one not working on my speedo. I traced the lack of power all the way back to the igniter. So it will remain not working......
Posted by CDNRatMan
- March 24, 2014, 19:49:07 PMThat is the one not working on my speedo. I traced the lack of power all the way back to the igniter. So it will remain not working......
Posted by Milky1112
- March 24, 2014, 19:47:06 PMQuote from: 2beers on March 24, 2014, 17:39:20 PMGot my bulbs today.. put things back together... oil pressure light didn't work.. Oh i started to curse you 2beers!!!!! Turns out.. socket was a tad loose... Pulled back apart, tightened back up.. Works like a true pilsner... Now the BAD: One of my speedo bulb sockets quit working (lower) So time to replace that.Thanks for that, Milky. Electrical issues, yuck!
Update. Wiring diagrams provided by Ratman (btw, have we thanked you enough for that yet?) led us to check out the rectifier on the system, but that was clear. Water temp side will work when directly grounded, but not the oil pressure side. Tomorrow we'll check continuity in that line. 2beers is talking about installing an oil pressure gauge and stopping the insanity, lol. We'll let ya'll know...
The Bride
Posted by 2beers
- March 24, 2014, 18:51:45 PMQuote from: CDNRatMan on March 24, 2014, 17:54:03 PM
Truckers stick together.........get it fixed so you can ride.......
Posted by CDNRatMan
- March 24, 2014, 17:54:03 PM Truckers stick together.........get it fixed so you can ride.......
Posted by 2beers
- March 24, 2014, 17:39:20 PMThanks for that, Milky. Electrical issues, yuck!
Update. Wiring diagrams provided by Ratman (btw, have we thanked you enough for that yet?) led us to check out the rectifier on the system, but that was clear. Water temp side will work when directly grounded, but not the oil pressure side. Tomorrow we'll check continuity in that line. 2beers is talking about installing an oil pressure gauge and stopping the insanity, lol. We'll let ya'll know...
The Bride
Posted by Milky1112
- March 24, 2014, 17:23:23 PMQuote from: 2beers on March 24, 2014, 13:20:23 PMHad a similar problem when working on a jet.... good power to socket.. good bulb.. good ground.. couldn't make the light work.. Turns out ground was corroded... When metered was fine.. not good enough to make the light work.. Sometimes the simple circuits can kick your tail for hours.Here's the latest, Troll...
Just disconnected the wire from the oil pressure switch, touched it to bare metal, and the light does not come on with the ignition switch on. Meaning, the ground wire from the switch to the bulb is broken or interrupted, somewhere. ?Removing tank and seat for further investigation, water switch has one wire and we haven't checked there yet.
THANKS AGAIN, RATMAN! Received the pm and info. Downloading...
Posted by 2beers
- March 24, 2014, 13:20:23 PMQuote from: Troll on March 23, 2014, 19:28:59 PMHere's the latest, Troll...The lights find their ground path through the switches. Path for oil light, ground is at the switch. Oil pressure switch on an 800 is next to the oil filter. Single wire, ground side of the bulb. If you disconnect the single wire from the switch, and touch it to bare metal, the light should go on with the ignition switch turned on, of course. I don't know where the temp light switch is, but Ratman has a book
Just disconnected the wire from the oil pressure switch, touched it to bare metal, and the light does not come on with the ignition switch on. Meaning, the ground wire from the switch to the bulb is broken or interrupted, somewhere. ?
Removing tank and seat for further investigation, water switch has one wire and we haven't checked there yet.
THANKS AGAIN, RATMAN! Received the pm and info. Downloading...
Posted by 2beers
- March 24, 2014, 05:10:37 AMThanks much, Ratman. Also answered your pm. 
We'll let ya'll know what we find...
Posted by CDNRatMan
- March 23, 2014, 20:56:50 PMSent you a pm but if this works ok