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#1 | ||
When in doubt, GAS IT!!
Join Date: Sep 2006
Location: Lower Eyre Peninsula, SA
Posts: 3,018
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Today my missus pulled into the carpark of the local supermarket and happened to nudge the horn as she got out of the car. The horn began blaring and wouldn't stop no matter what she tried. She rang me and I could hear it going in the background but there was nothing I could do to help except tell her to pull the fuse. Before I could tell her where to look some bloke showed up and pulled the battery terminal off. 30 seconds later he put it back on and the horn stayed off so I told her to get the car home and I'd check it out.
When it was home she told me her cruise control wasn't working, it wasn't even coming on on the dash let alone engaging. Hmmmmm. Sure enough the horn wasn't working and when I checked the fuse under the bonnet it was fried. I changed it and tried the horn but it still wouldn't work yet I could hear the relay clicking when I pressed the horn on the wheel so I'm assuming the actual horn behind the grill has had a meltdown. Now here's the oddity, once I'd changed the horn fuse under the bonnet the CC came back to life; so not only is the CC activation tied to the brake light circuit but the CC as a whole seems to be tied to the horn circuit,..... go figure. Bushbasher
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. HERS- BFIII Wagon Gold, alloys, dual fuel, bullbar, big tow pack, trans cooler, fully rebuilt HD suspension, Clarion, alarmed, full 2 1/2" sports system, mint body MINE- AUII Forte Meteorite, dual fuel but otherwise bog stock. MINE- AUII Fairlane Sportsman Liquid Silver over meteorite,HIDs', Airhog, Eagle Leads, dual fuel, custom rear springs, BA slotted discs + a second one for spares . |
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#2 | ||
FF.Com.Au Hardcore
Join Date: Feb 2005
Location: Melb north
Posts: 12,025
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Gawd blimey bushy, you have some interesting things happen on your cars old mate lol, I suppose your next avenue might be to borrow the horn off your other car and see how that goes?
don't take this the wrong way, but your making me love my AU ;), good luck with it mate. let us know how you get on. |
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#3 | ||
When in doubt, GAS IT!!
Join Date: Sep 2006
Location: Lower Eyre Peninsula, SA
Posts: 3,018
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That wagon works hard for a living and is still going strong. These things aren't so much problems,,,, just interesting character traits; just like that lovable, quirky old aunt or uncle we all seem to have, the older they get the stranger they become.
![]() Bushbasher
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. HERS- BFIII Wagon Gold, alloys, dual fuel, bullbar, big tow pack, trans cooler, fully rebuilt HD suspension, Clarion, alarmed, full 2 1/2" sports system, mint body MINE- AUII Forte Meteorite, dual fuel but otherwise bog stock. MINE- AUII Fairlane Sportsman Liquid Silver over meteorite,HIDs', Airhog, Eagle Leads, dual fuel, custom rear springs, BA slotted discs + a second one for spares . |
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#4 | ||
Stay Classy ™
Join Date: Apr 2005
Location: Sydney
Posts: 2,044
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Clockspring. Connects the horn and cruise control functions behind the steering wheel. Replace clockspring, problem solved.
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#5 | ||
When in doubt, GAS IT!!
Join Date: Sep 2006
Location: Lower Eyre Peninsula, SA
Posts: 3,018
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Yup, clock spring, that was my first thought too but as soon as I replaced the fuse the CC worked again and all the buttons on the wheel are functioning properly. Once I change the horn under the bonnet I'll know for sure but the horn has been sick for over 2 years so it's no surprise if it has died. Plus the clock spring was changed not 6 months ago.
Bushbasher
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. HERS- BFIII Wagon Gold, alloys, dual fuel, bullbar, big tow pack, trans cooler, fully rebuilt HD suspension, Clarion, alarmed, full 2 1/2" sports system, mint body MINE- AUII Forte Meteorite, dual fuel but otherwise bog stock. MINE- AUII Fairlane Sportsman Liquid Silver over meteorite,HIDs', Airhog, Eagle Leads, dual fuel, custom rear springs, BA slotted discs + a second one for spares . |
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#6 | ||
5.6L x 2 pilot
![]() ![]() Join Date: Dec 2009
Location: Canbra
Posts: 14,989
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Nothing surprises me what you find Bushy! You truly are a pioneer (in a good way).
Actually this does not surprise me. I have heard in the past of a horn not working and it was narrowed down to the CC Unit. If you have a look at page 24-4-25 (under Horn) in the wiring diagrams on this site, you will see that the earth circuit for the horn activation goes through the CC Unit. Strange but true. Certainly makes sense why and how the two are related. Cheers Stu
__________________
2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024 ![]() 2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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#7 | |||
Petro-sexual
Join Date: Dec 2004
Location: Melbourne
Posts: 4,527
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Quote:
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#8 | ||
Flairs - Truckers Delight
Join Date: Aug 2006
Location: Brisbane Northside Likes: Opposite Lock
Posts: 5,731
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I can't believe that after 15 years we are still learning new things about the relatively simple AU.
I've had the horn lock-on twice - both times it was fairly humid. Haven't had it for about 5 years though...
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Current: Silhouette Black 2007 SY Ford Territory TX RWD 7-seater "Black Banger"
2006-2016: Regency Red 2000 AUII Ford Falcon Forte Automatic Sedan Tickford LPG "Millennium Falcon" |
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#9 | |||
5.6L x 2 pilot
![]() ![]() Join Date: Dec 2009
Location: Canbra
Posts: 14,989
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Quote:
Stu
__________________
2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024 ![]() 2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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#10 | ||
Petro-sexual
Join Date: Dec 2004
Location: Melbourne
Posts: 4,527
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Are you sure on that?
I Always assumed they were a different unit because EF/EL doesn't have a "set" light on the dash. I did briefly look in to adding a 'set' light to my car but came to the conclusion that it couldn't be done due to differences between the units. If they are the same, I will look again at adding a 'set' light. |
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#11 | |||
5.6L x 2 pilot
![]() ![]() Join Date: Dec 2009
Location: Canbra
Posts: 14,989
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Quote:
Pretty sure. When I had my NL Lane, I had issues with my CC not working and in my ringing around wreckers etc I was informed that it was the same unit as the AUs. So whilst the information is 3rd hand and I cannot be 100% sure, when you look at the units between at least EL and AU they do look the same. In the end I never had to replace it - the problem was with the master cylinder switch. Cheers Stu
__________________
2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024 ![]() 2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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#12 | ||
When in doubt, GAS IT!!
Join Date: Sep 2006
Location: Lower Eyre Peninsula, SA
Posts: 3,018
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Ok, well, as it has turned out, the clock spring did in fact fail and in doing so it killed the horn which in turn fried the horn fuse, at least that's what I reckon is the chain of events. When I replaced the horn it went off again and wouldn't stop so I removed horn pad and it still didn't stop so I changed the clock spring, (again
![]() So the wagon is all fixed again, but........ I had an issue with the Fairlane not switching to petrol that turned out to be one of the wires had come adrift on the back of the petrol/LPG switch. In the process of tracing and fixing that problem, and re-sealing the gas line from the converter to the mixer, MY cruise control has gone AWOL and it's got me stumped. It'll activate but not engage. In the last 10 days I've changed: The rear globes The brake pedal switch The master cylinder pressure switch The clock spring AND the steering wheel buttons - and still the bastich cruise control won't engage and it's got not only me but my mechanic AND the local Ford dealer resident tech head stumped. If anyone has any ideas I'm all ears cos this is frustrating to the extreme. BTW, everything else is working as it should; ABS is functioning with no warning lights, the speedo is working properly and yes, the horn circuit is ok too. Some days I really dislike my car...... but only some days. Bushbasher
__________________
. HERS- BFIII Wagon Gold, alloys, dual fuel, bullbar, big tow pack, trans cooler, fully rebuilt HD suspension, Clarion, alarmed, full 2 1/2" sports system, mint body MINE- AUII Forte Meteorite, dual fuel but otherwise bog stock. MINE- AUII Fairlane Sportsman Liquid Silver over meteorite,HIDs', Airhog, Eagle Leads, dual fuel, custom rear springs, BA slotted discs + a second one for spares . |
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#13 | ||
5.6L x 2 pilot
![]() ![]() Join Date: Dec 2009
Location: Canbra
Posts: 14,989
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The only thing I can think of that you have not replaced Bushy is the CC Unit itself. Maybe a swap out with one of your many spare AUs might be in order?
Good luck with it. Stu
__________________
2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024 ![]() 2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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#14 | ||
Stay Classy ™
Join Date: Apr 2005
Location: Sydney
Posts: 2,044
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Check that the cruise control cable hasn't come off the throttle body. It happened to me a couple months back when heading down south, pulled over, had a quick look and I was right!
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