Help needed - Page 2 - Steve Saunders Goldwing Forums

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post #11 of 22 (permalink) Old 06-05-2019, 07:01 PM
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Hi Bryan, welcome to the forum. These guys will help you get it going. I suggest going through the wiring stem to stern and fixing any discrepancies you find. I'm with Dennis, I ride 1200/1100 and know very little about the 1500.

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post #12 of 22 (permalink) Old 06-05-2019, 08:09 PM
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Bryan, Look at the current flow from the battery. The first component is the 55-amp (Dog Bone) fuse.

When that blows there is no current flow to the other items (including the ECM).

I suspect your ECM is A ok.................!!


1988 1992

Battery (positive terminal)

55-amp fuse (located by the battery)

Ignition/cruise fuse # 2 (15-amp)

Ignition/cruise relay # 8 (load voltage)

Auto Shut-Off (Kill) switch

ECM and Ignition Coils


Quote:
Originally Posted by Bryanlj View Post
We had that thought as well, the po did not seem to be too savy! Do you think any of the electonic boxes will have been "fried" or will we be lucky?
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post #13 of 22 (permalink) Old 06-08-2019, 08:27 AM Thread Starter
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Join Date: Jun 2019
Location: Gloucester, England
Year: 1988
Make: Honda
Model: GL1500
Posts: 43
We have hit a bit of a wall, can anybody tell me if 88 and 89 looms and switches are different please. We have bought a used loom that was supposed to be 88 but there are connector differences and missing/extra blocks to the one on the bike. Vin number is SC22-2100462
Cheers all
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post #14 of 22 (permalink) Old 06-08-2019, 01:59 PM
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The wire harness part numbers are different from 1988 to 1989.
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post #15 of 22 (permalink) Old 06-08-2019, 05:18 PM Thread Starter
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Join Date: Jun 2019
Location: Gloucester, England
Year: 1988
Make: Honda
Model: GL1500
Posts: 43
After 9 hours i got it to run, differences on replacement loom were:-
No blue connector on lh side(as sat on bike) just above engine that goes to a vacuum solenoid
No brown link wire between ecm and carb control unit
No provision for bank angle sensor
RH switch connectors for kill switch and starter in different place on red block connector
Thanks for the help and advice received so far, will need more as we do our best to get it to run properly
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post #16 of 22 (permalink) Old 06-08-2019, 09:09 PM
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post #17 of 22 (permalink) Old 06-09-2019, 12:25 PM
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Was the file I sent you (on the tech forum) for the right switches helpful to identify the wires and functions you needed......??

Quote:
Originally Posted by Bryanlj View Post
After 9 hours i got it to run, differences on replacement loom were:-
No blue connector on lh side(as sat on bike) just above engine that goes to a vacuum solenoid
No brown link wire between ecm and carb control unit
No provision for bank angle sensor
RH switch connectors for kill switch and starter in different place on red block connector
Thanks for the help and advice received so far, will need more as we do our best to get it to run properly
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post #18 of 22 (permalink) Old 06-09-2019, 02:09 PM Thread Starter
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Join Date: Jun 2019
Location: Gloucester, England
Year: 1988
Make: Honda
Model: GL1500
Posts: 43
I wont be able to get back to it till next week as i work nights. I have to try and match the switch wiring to the loom wiring and i am not sure if colours match. We stopped work after it ran as that had taken 9 hours! The loom we ended up with has no provision for bank angle sensor at all but connectors for the early ecm and carb control unit, do you have any ideas what model/year it could be from?
The info you already sent me is how we managed to get it to run chasing wiring from power to kill switch to relay and fuse and we are very grateful for that.
Whoever "triked" it did a great job mechanicaly but a sh1te job electricaly!!
Thanks again
Bryan
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post #19 of 22 (permalink) Old 06-09-2019, 04:04 PM
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You are quite welcome, glad you got it running.

Your 1988 should have these four (4) connectors for the ECM:

1) Black 9-pin, 2) Blue 2-pin, 3) Red 4-pin, 4) White 6 pin.

Here are a couple more files:

Quote:
Originally Posted by Bryanlj View Post
I wont be able to get back to it till next week as i work nights. I have to try and match the switch wiring to the loom wiring and i am not sure if colours match. We stopped work after it ran as that had taken 9 hours! The loom we ended up with has no provision for bank angle sensor at all but connectors for the early ecm and carb control unit, do you have any ideas what model/year it could be from?
The info you already sent me is how we managed to get it to run chasing wiring from power to kill switch to relay and fuse and we are very grateful for that.
Whoever "triked" it did a great job mechanicaly but a sh1te job electricaly!!
Thanks again
Bryan
Attached Files
File Type: doc GL1500 Bank Angle Sensor.doc (11.5 KB, 5 views)
File Type: doc GL1500 Left Handlebar Controls (1988 - 1989).doc (18.0 KB, 4 views)
File Type: doc GL1500 Right Handlebar Controls (1988 - 1989).doc (14.0 KB, 5 views)
File Type: doc GL1500 Engine Control Module 1988 - 1989.doc (12.5 KB, 5 views)
File Type: doc GL1500 Engine Control Module 1990 - 2000.doc (12.0 KB, 5 views)
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post #20 of 22 (permalink) Old 06-09-2019, 04:35 PM
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Bryan, These files might help you with matching up the wiring etc.
Attached Files
File Type: pdf GL1500 (1988) Wiring 1.pdf (1.05 MB, 6 views)
File Type: pdf GL1500 (1988) Wiring 2.pdf (928.0 KB, 7 views)
File Type: pdf GL1500 (1988) Wiring 3.pdf (878.5 KB, 5 views)
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