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Fiat Ducato Electrical problems

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Old 30-01-2013, 12:27   #1 (permalink)
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Default Fiat Ducato Electrical problems

(2009 Swift Bolero.)
I have just discovered that the lower dash switches, (hazard, door lock/unlock,rear fog, heated mirrors) are not working, but everything else is, heater fan, cigar lighter etc, plus the door locking switch on the drivers door, and all the lights and indicators work, but not the rear fog lamp. I have not used the M/H lately but has been on EHU all the time.
I had discovered this morning that both batteries were flat after the habitation service technician left the battery charger switched off, I never turn this off, I turned it on and the EHU soon charged the batteries up OK, but I don't think that this was the cause of my trouble.
I have checked all the fuses and connections I can see, but nothing amiss, I does not help that my fuseboard diagram in the handbook does not match what's on the M/H.
Seems strange that all them switches in that group are not working all at the same time, they were OK when I last used it., why are the Hazards not working when the indicators are ??
Any idea's folks, anyone had the same problem, or is an Auto Electrician called for.
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Old 30-01-2013, 12:44   #2 (permalink)
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Quote:
Originally Posted by injebreck99 View Post
(2009 Swift Bolero.)
I have just discovered that the lower dash switches, (hazard, door lock/unlock,rear fog, heated mirrors) are not working, but everything else is, heater fan, cigar lighter etc, plus the door locking switch on the drivers door, and all the lights and indicators work, but not the rear fog lamp. I have not used the M/H lately but has been on EHU all the time.
I had discovered this morning that both batteries were flat after the habitation service technician left the battery charger switched off, I never turn this off, I turned it on and the EHU soon charged the batteries up OK, but I don't think that this was the cause of my trouble.
I have checked all the fuses and connections I can see, but nothing amiss, I does not help that my fuseboard diagram in the handbook does not match what's on the M/H.
Seems strange that all them switches in that group are not working all at the same time, they were OK when I last used it., why are the Hazards not working when the indicators are ??
Any idea's folks, anyone had the same problem, or is an Auto Electrician called for.


Fiat have a habit of specifying a product and then outsourcing the build to a 3rd party, so the device may work but not all devices will be the same, I hope that makes sense.
Contacting Fiat will not help either, tried that and got nowhere...

I had a problem with the temp gauge and eventually had to replace the instrument cluster and ECU, it’s all very complex, CAN Bus etc.
I eventually got it fixed at BR Cartronics in Leicestershire ( I know it too far from you) but you will need someone who has all the kit.

Sorry I can’t help anymore.

I do hope it’s not the cluster, they are an arm and a leg..

Good luck,,
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Old 30-01-2013, 13:33   #3 (permalink)
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Quote:
Originally Posted by injebreck99 View Post
(2009 Swift Bolero.)
I have just discovered that the lower dash switches, (hazard, door lock/unlock,rear fog, heated mirrors) are not working, but everything else is, heater fan, cigar lighter etc, plus the door locking switch on the drivers door, and all the lights and indicators work, but not the rear fog lamp. I have not used the M/H lately but has been on EHU all the time.
I had discovered this morning that both batteries were flat after the habitation service technician left the battery charger switched off, I never turn this off, I turned it on and the EHU soon charged the batteries up OK, but I don't think that this was the cause of my trouble.
I have checked all the fuses and connections I can see, but nothing amiss, I does not help that my fuseboard diagram in the handbook does not match what's on the M/H.
Seems strange that all them switches in that group are not working all at the same time, they were OK when I last used it., why are the Hazards not working when the indicators are ??
Any idea's folks, anyone had the same problem, or is an Auto Electrician called for.
How did you check them ?

If you only did a visual you may still have a blown fuse.. they can look OK but still be blown..

Remove each one and check with a meter set to ohms .. or substitute each fuse, (one at a time), with a known good fuse (same rating)

or..if you have access, test the output of each fuse with a meter set to DCv .. (the neg test probe to earth (chassis))
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Last edited by ScotJimland; 30-01-2013 at 13:37.
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Old 30-01-2013, 14:25   #4 (permalink)
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But why aren't the Hazards working, I did not think they were fused, also, would the heated mirror switch and the door locking and fog lamp switches be on one fuse ?
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Old 30-01-2013, 18:06   #5 (permalink)
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Originally Posted by injebreck99 View Post
But why aren't the Hazards working, I did not think they were fused, also, would the heated mirror switch and the door locking and fog lamp switches be on one fuse ?
Hazard relay will be fused, as for the others? I don't know for sure but they may well be on one fuse.. first place to start is to test each and every fuse.. there may be more than one blown..
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Old 30-01-2013, 18:08   #6 (permalink)
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I have managed to fix the problems with my electrics, just don't ask how. I had already removed the fuses in the dash individually and tested them, all OK. went to start the engine and noticed a slightly slow cranking speed, showing 11.2 volts at the battery, despite being fully charged earlier. Can't remember why, but switchd on the control panel inside and was informed that number 13 fuse was blown on the RCD panel, which it was, replaced that and everything was working !!WTF. Will try again tomorrow to see if gremlins have really disappeared.
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Old 30-01-2013, 22:21   #7 (permalink)
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Unhappy Cab battery

You can't fully discharge a starter battery without damaging it,
I reckon a new battery is in order for you mate
Sorry
Duane
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Old 30-01-2013, 22:41   #8 (permalink)
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Default coldstreamer

This thread is very eirie, last week I found my starter battery was down, very hard frost struggled, so bit the bullet... new 'Banner' starter battery.
They are a bit of a pig on the Ducato, so took it down to my 'tame' Fitter,
he removed the battery with a struggle, ! What did he find behind, it next to the Bulkhead...... A mouse's Nest!! very cosy and looked very new. removed it cleaned the area and re-fitted the new battery. Very fortunate that there was no 'Mouse' damage. Van fine.
The van is parked in my Yard on hard standing and is moved regular, except for one week in the snow. Very Lucky.. The old battery has taken and held its charge, now in the reserve box with the rest of the Junk.
One thing is true... its a lesson learned.
Best Regards, Mac
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