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It is a pity that there is not a removable 'window' access panel in the rear of the 84 motor to get at these PG's.
 

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Junior Grue
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Thanks for the correction, shame I cant get my hands on an 85 motor!
Are you looking for a slightly easier fix if that 1:100,000 chance that you have a pulse generator failure happens or are you looking for the lower gearing of the post 84 1200's?:?:?
 

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This is just a thought that might help someone out there sometime who is searching on the topic of pulse generators on the '84's.

I was having what looked like a problem with my pulse generators on a previous bike ('84 Interstate). After sweating the possibility of having to pull the motor to get at them, and wishing I had an '85-'87 with the PG's by the front pulley, I went in to change the timing belts and... there were the pulse generators right off the pulley.

Well, after a little investigative work it turns out unbeknowst to me, in the 25+ year history of the bike someone had swapped out the engine and put in an '87 motor.

Moral of the story to new owners, check your engine serial numbers before anything! Here's a schematic that might help:

http://www.cmsnl.com/honda-gl1200-gold-wing-usa_model1077/partslist/SERIAL.html
 

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The pulse generator for gl1200 is no longer available from Honda. If that is your problem good luck.
 

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Still Learning
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The pulse generator for gl1200 is no longer available from Honda. If that is your problem good luck.
Maybe not for the LTD or SEI 1200s, They use a different number than the carb models and it says call for price on the fiche, which usually means no longer available through Honda.

But


I just verified they are in the LA warehouse for the 1985-87 GL1200 Aspencade & Interstates


#18 GENERATOR, PULSE 30300-ML8-680 ($102.96 list$) $73.62

http://www.westernhonda.com/fiche_s...=Motorcycles&make=Honda&year=1986&fveh=132540
 

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Discussion Starter · #13 ·
Fire and no fire, GL1200

i replaced the pulse generators on my 1985 GL1200 interstate with some that i took off a parts bike i bought, to see if it was thw pulse generators were causing my bike just shut off after going 50 miles. just shut off and would not restart to the next morning inwhich it run pretty rough. then i come on here and was advised that could be pulse generators. when i got through it started and ran great..then the next morning it would not start and i checked ad discover it was not getting any spark. due to other things beyond my control i been down since last sept, i am ready to ride but do not want to buy another bike ,just because of the fact i love my baby --please help
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Pulse generators are the usual suspect. If you checked for spark at the plugs when the engine died and you don't have spark at any of them, pulse generators are more likely than say a bad ignition coil (which would only kill spark at two plugs, unless by some fluke both ignition coils die together). Next suspect would be the ECU itself, which is where the pulse generators get their power from.
 

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It seems odd that both pulse g's or coils would go out together. I'm not familiar with 1200 electronics, but I would spend some time checking ignition source wiring. Another thought, unlikely, but is there a chance you PG's are too close or too far from crank wheel?.
 

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Might be obvious...make sure the kill switch is in the run position. If so, I usually start troubleshooting right at the ignition unit. Nearly every ignition wire converges at that one location. Begin by unplugging connector and check for battery VDC on the black/white wire harness side when the key is on and kill switch is in run.
 

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If the pulse generators are at the rear the 4 wire PG connector is to the left of the battery next to the 3 yellow wire connector. If the PG is at the front the PG 4 wire connector is up under the shelter next to the ECU.
So if you pull the battery side cover off and there is only one connector to the left of the battery, the 3 yellow wire, then the engine is an 85 or newer.
 
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