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Posted: Mon Jan 04, 2010 6:44 pm
by alimey4u2
JoeReid wrote:Sound like a poltergeist to me.
Joe
Nahhhh ...Electric Eels...

Posted: Wed Jan 06, 2010 12:11 am
by George R. Garrison #0857
On the old truck,, the reverse current relay was stuck shut in the voltage regulator. It was discharging thru the generator.
I don't know how the headlights would make the coil hot until turned off. That one has me stumped. Would the truck start with the lights off?
Later, Georg in Delaware
Posted: Wed Jan 06, 2010 12:46 am
by Terry
George R. Garrison #0857 wrote:On the old truck,, the reverse current relay was stuck shut in the voltage regulator. It was discharging thru the generator.
I don't know how the headlights would make the coil hot until turned off. That one has me stumped. Would the truck start with the lights off?
Later, Georg in Delaware
How come the relay stuck shut only next to a river? It hadn't been sitting there long either. I could drive up onto a levee road and shut it off and the amp guage stayed neutral. Down by the river's edge, as soon as the motor was shut off the amp guage discharged all the way. And yes, the motor started with the light switch off but wouldn't turn off with just the key (if the lights were on) until I pushed the headlight switch off.
Posted: Wed Jan 06, 2010 7:13 am
by Rick Pope
Terry,
When you parked next to the river, was the truck level? Sounds like it wasn't, and that old wiring harness had some wires rubbed bare. Gravity + electricity do strange things.
Posted: Wed Feb 10, 2010 11:13 pm
by JoeReid
Well I finally got a chance to diagnose my charging system. Rode 25 miles yesterday with both direction signal indicators lights on and the volt meter reading 8 volts all the time and they were the same when I got back home. I got off keeping the engine running then attached my digital volt meter across the main (30 amp) fuse. At idle the reading was -.019 volts which should equate to about -5 amps, just about the same as the drain on the battery with the key on with the engine not running. As the RPM was increaed the voltage across the shunt(fuse) turned positive at just over idle and went up to +. 26 at about 5000 RPM and the voltage across the battery was 14.4. This indicates to me that the charging system is working properly and the problem lies with the indicators (lights and meter or the wiring supplying them. I will report more as the diagnosis proceeds but it may be a while because we received 17 inches of snow today.
Joe.
Posted: Thu Feb 11, 2010 10:05 am
by alimey4u2
Good stuff Joe....

Gauge Cluster
Posted: Mon Feb 15, 2010 10:18 pm
by JoeReid
I removed and took the back off the gauge cluster. Applied power from a regulated variable voltage power supply to the volt meter. The following is the calibration I recorded:
Digital volt meter readings CBX Voltmeter reading
8.5 9.8
9.0 10.0
10.0 10.7
11.0 11.7
12.0 12.2
13.0 12.9
14.0 13.3
14.75 14.0
All the indicators light appropriate when the correct wires on the connectors are powered. I guess my problem must be in the harness.
Joe
Where is the speed sensor?
Posted: Mon Feb 15, 2010 10:36 pm
by JoeReid
Where is the speed sensor that appears on the electrical diagram to be in the speedometer. Not only does my '82 not have any place to connect the pink wire but there are no power or ground connections other than the illumination bulbs. Any ideas?

Re: Where is the speed sensor?
Posted: Tue Feb 16, 2010 6:01 am
by alimey4u2
JoeReid wrote:Where is the speed sensor that appears on the electrical diagram to be in the speedometer. Not only does my '82 not have any place to connect the pink wire but there are no power or ground connections other than the illumination bulbs. Any ideas?

That is not a Prolink speedo. Prolink speedo has three wires coming out of a top right hole (looking at the back). Pink,green & black/brown.... This is in addition to the illumination circuits...
Hope this helps....
Posted: Tue Feb 16, 2010 7:13 am
by alimey4u2
This is a Prolink speedo....

Re: Where is the speed sensor?
Posted: Tue Feb 16, 2010 7:59 am
by EMS
alimey4u2 wrote: That is not a Prolink speedo. ...

Probably some
mileage adjustment by a previous owner...
or a 150mph instrument?? People want to know how fast they are going

Posted: Tue Feb 16, 2010 8:02 am
by alimey4u2
Posted: Tue Feb 16, 2010 1:30 pm
by JoeReid
Thanks for the info gentlemen. It is 150 MPH full scale. I guess the Pro-Link speedos were 85MPH max like cars of that vintage. Should the rear suspension air pressure warning light still function? I'm not sure it is necessary in my case because the shock does not leak and I check it along with the tires monthly. I have never seen another CBX up close and personal, at least since I have been interested in them. Is there a way to find other CBX owners in northern New Jersey? I would really like to see other CBXs just to compare how mine works and looks. For example my clutch drags just enough so it is difficult to select neutral from either 1st or 2nd gear when the bike is fully warm and idling. Is that normal or abnormal but not unusual. My '75 naked Goldwing does it too. Both bikes shift normally when moving and engagement is smooth. I can't make either clutch slip in top gear either. I have made the adjustments at both ends of the cables accordiing to the service manuals. It is not a problem if you select 1st gear just before coming to a stop but I was interested in knowing if others experience the same symptom.
Joe
Posted: Tue Feb 16, 2010 2:05 pm
by Rick Pope
Joe,
there are quite a few members in your general area. Hopefully, sometime this year, we'll have a members directory printed in an issue of the CBXPress.
You dragging clutch may be a function of your oil choice. Are you running a heavy oil? Do you ride the bikes often? If the bike has been sitting, it will be worse until you've logged a few miles and wiped the discs clean of the old residue. I've found that a good multi-grade synthetic really helps.
Posted: Tue Feb 16, 2010 4:05 pm
by EMS
The non-Prolink speedos do not have the wiring to make the rear suspension light work. Normally, it would be on all the time now. Someone may have taken the bulb out or disconnected a wire.