Steve Saunders Goldwing Forums banner
1 - 20 of 32 Posts

·
Premium Member
1998 GL1500SE
Joined
·
481 Posts
Discussion Starter · #1 · (Edited)
My head unit went wonky.
As much as I'd love to fit a more modern unit, I would hate to lose the integration of the intercom and CB radio (even though I use neither :p ).
I found one on eBay, stumped up the cash and the first thing I did was open it up to fit a Bluetooth module.
This is what I found...

Passive circuit component Circuit component Electrical wiring Hardware programmer Electronic engineering
Circuit component Passive circuit component Audio equipment Hardware programmer Electronic component


Anyone know what this is?
I went to the website but couldn't find it listed so have no idea which wires I should be connecting too.

I've emailed them of course :cautious:

edit
Wow, they replied instantly! :oops:

 

·
Registered
Joined
·
2,176 Posts
Does that look like a new circuit board or just cleaned up,looks new
 

·
Premium Member
1998 GL1500SE
Joined
·
481 Posts
Discussion Starter · #4 ·
That's how it was when I opened it - I'll be pulling the old one out next weekend to see what went wrong and see how it looks.
I suppose if the bike was kept inside there should be very little corrosion, the board is quite well protected from the environment buried inside the bike.
 

·
Premium Member
1998 GL1500SE
Joined
·
481 Posts
Discussion Starter · #5 ·
Opened up my 70'000m original and it's immaculate inside too 🤷‍♂️

Circuit component Passive circuit component Hardware programmer Electrical wiring Electronic component


Unfortunately, the new stereo hasn't cured the issues 😫
Tape deck still doesn't open and there's barely any volume.
(Yes, I checked the fuse box by the left pannier!)
 

·
Registered
1993 GL1500 Aspy 1980 GL1100 STD
Joined
·
998 Posts
The photos and doc's you found for the mods on the "new" stereo look like a good quality installation on an "AUX" input mod. If both stereos play with hardly any volume, next place I'd check is a stuck "Mute" button on the left handlebar. Mine stuck leaving me with very low volume with vol control to max, and it took a couple hours of fiddling with the switch and CRC electrical spray to unstick it. I haven't touched that button since. It's on my list of winter projects to disassemble all handlebar switches on both left and right sides for a good cleaning. The stereo's "mute" switch sticks, Hazard flashers only flash the left side, Cruise-on button is iffy (I just don't turn it off), cruise "Resume" is also iffy, works but have to push it 3 or 4 times before it does anything, and lately the starter button sometimes quits if pushed in fully, have to slightly release it to actuate the starter.

If your mute switch isn't the low volume culprit, next place I'd look would be the speakers themselves, or wiring to them, or fader control if you have rear speakers.

As to cassette door not opening, hard to say. If you can get the door to open once, check for any resistance or friction while carefully closing it. Might be something slightly out-of-line and rubbing on the door.......
 
  • Like
Reactions: Nitrowing

·
Premium Member
1998 GL1500SE
Joined
·
481 Posts
Discussion Starter · #7 ·
check is a stuck "Mute" button on the left handlebar. Mine stuck leaving me with very low volume with vol control to max, and it took a couple hours of fiddling with the switch and CRC electrical spray to unstick it. I haven't touched that button since.
Yep, had that problem a few years ago and solved it in the exact same way!
Cruise-on button is iffy (I just don't turn it off), cruise "Resume" is also iffy, works but have to push it 3 or 4 times before it does anything
Same again! Check the switch connected to the rear brake - I found that was my problem with 'Resume'.

If your mute switch isn't the low volume culprit, next place I'd look would be the speakers themselves, or wiring to them, or fader control if you have rear speakers.
They're all fine

As to cassette door not opening, hard to say. If you can get the door to open once, check for any resistance or friction while carefully closing it. Might be something slightly out-of-line and rubbing on the door.......
As the problems are the same on both cassette units, I think there's a fault somewhere in my wiring, which is why I immediately checked all my fuses :unsure:
 

·
Premium Member
1998 GL1500SE
Joined
·
481 Posts
Discussion Starter · #8 ·
Well, never assume - check.
Sure, the fuses were okay but... there's no power to a few of them.
1, 4, 7 & 11 have 0V when the others have power :unsure:
 

·
Registered
Joined
·
1,631 Posts
The only fuses for the radio are #10 and #13. #11 is used for the CB and also powers relay #6 so if it runs, there almost has to be power at #11.
#7 is only live when the key is in the parking light position.
#1, #4, and #11 should have power with key on. If not check connector C58 for corrosion, and the ignition switch for proper function.
 

·
Registered
Joined
·
1,631 Posts
#12 and #13 hide in the relay box. #13 is just for the memory backup for the radio presets.

Light Product Automotive lighting Circuit component Bag
 

·
Premium Member
1998 GL1500SE
Joined
·
481 Posts
Discussion Starter · #12 ·
Thanks, one of those had blown. I did have a mutter about 'dumb ass design decisions' when getting that lid off :mad:
Still no power on those other fuses, ignition switch next...
 

·
Premium Member
1998 GL1500SE
Joined
·
481 Posts
Discussion Starter · #13 · (Edited)
Fitted the replacement head unit today to find the cassette player doesn't play a cassette :mad:
The original one does but it only gives music on the right side channel and the right rear crackles badly.
Getting seriously frustrated now 🤬

New issue... having the original head unit connected blows the 10A Acc fuse (10) as soon as the large connector gets plugged in.

I've disconnected all the speakers. Blows fuse.
I've opened the head unit and disconnected lots of the little plugs. Still blows fuse.

Measured the speaker line resistance - pins 17/18 and 25/26
3.8 ohms with the fader set to front bias
71.2 ohms with fader set to rear
Pins 20 & 30 have 12V
Pin 24 no resistance to battery negative
 

·
Premium Member
1998 GL1500SE
Joined
·
481 Posts
Discussion Starter · #14 ·
Anyone have a sensible suggestion on what to check next?
 

·
Registered
Joined
·
1,631 Posts
Sierra Electronics is the place for everything stock Honda GoldWing Audio. I'm sure they can fix you up. Maybe send them both units and let them pick the best bits from each.
 

·
Premium Member
1998 GL1500SE
Joined
·
481 Posts
Discussion Starter · #16 ·
Sierra Electronics is the place for everything stock Honda GoldWing Audio. I'm sure they can fix you up. Maybe send them both units and let them pick the best bits from each.
I would if I wasn't in the UK!
 

·
Premium Member
1998 GL1500SE
Joined
·
481 Posts
Discussion Starter · #17 ·
I emailed Sierra (with fingers crossed) to see if they could advise a common issue with these head units blowing fuses. Being the stars they're often lauded, they swiftly replied "check the circuit board for corrosion".
This is what I found...
Circuit component Electronic engineering Gas Engineering Machine


Time to get the old toothbrush!

Many thanks to Sierra!
 

·
Administrator
Piaggio MP3, was 02 GL1800
Joined
·
62,002 Posts
Baking Soda and a tooth brush, spritz with water and brush, rinse and let dry completely
 

·
Premium Member
1998 GL1500SE
Joined
·
481 Posts
Discussion Starter · #19 ·
Green Art Circuit component Engineering Font


Old toothbrush and furniture polish. It no longer blows the 10A fuse and makes sound via cassette & FM signals.
Now I've got to find why there's no left channel output and why the rear right sounds terrible when the volume is high.
 

·
Administrator
Piaggio MP3, was 02 GL1800
Joined
·
62,002 Posts
Old toothbrush and furniture polish. It no longer blows the 10A fuse and makes sound via cassette & FM signals.
Now I've got to find why there's no left channel output and why the rear right sounds terrible when the volume is high.
Never used Furniture polish when cleaning circuit boards.
What put you onto that?
 
1 - 20 of 32 Posts
Top