Fixing a boat help

makeitfit · 30-04-2018, 15:53

Here's one I might have asked uncle Rustic but here goes. I'm trying get the engine hours display to work, or find a way if reading them.
Twin Volvo Penta 3 pot diesels. Twin controls and twin hour readout, both not reading out ???
I don't know where the signal would come from bug suspicious as both are out/ failed.
It's a bit like a car with no odometer reading.

https://ibb.co/bBH6EH

https://ibb.co/khY2oc

All connections clean and present as far as I can see .
Any top tips guys 🤔

macabethiel · 30-04-2018, 17:47

No idea but firstly would be checking for power to the display unit. As you are aware LED displays can fade quickly with time. I am guessing the clock will only be live when the engine is running or if there is such a thing when the ignition is ON.

Loads of various model displays on the net.

Most LED's seem to pack up when 20 years old or more if applicable.

Terrano Steve · 01-05-2018, 09:23

Hour clocks on tractors & plant operate off the wire on the alternator (usually marked ind ) which goes to the warning light on the dash. So only able to clock hours when engine is running.

makeitfit · 01-05-2018, 10:33

Quote:

Originally Posted by Terrano Steve

Hour clocks on tractors & plant operate off the wire on the alternator (usually marked ind ) which goes to the warning light on the dash. So only able to clock hours when engine is running.

That's kinda what I got from Google. It seems the original alternators have been replaced at some time. Maybe these new ones don't have the same take off point for hour log ?

Terrano Steve · 01-05-2018, 14:44

Not all alternators need an exciter to start them charging so you may be right but if it still has the warning light wired in & working you should be able to use that.

30-04-2018, 15:53	#1
makeitfit Senior Member Join Date: Apr 2008 Location: on the beach WEST WALES Vehicle: Maverick TDi BLACK mmm Posts: 15,136	Fixing a boat help Here's one I might have asked uncle Rustic but here goes. I'm trying get the engine hours display to work, or find a way if reading them. Twin Volvo Penta 3 pot diesels. Twin controls and twin hour readout, both not reading out ??? I don't know where the signal would come from bug suspicious as both are out/ failed. It's a bit like a car with no odometer reading. https://ibb.co/bBH6EH https://ibb.co/khY2oc All connections clean and present as far as I can see . Any top tips guys 🤔

30-04-2018, 17:47	#2
macabethiel Senior Member Join Date: Aug 2008 Location: Derby Vehicle: Freelander & Jeep GC 3.0 Posts: 4,416	?? No idea but firstly would be checking for power to the display unit. As you are aware LED displays can fade quickly with time. I am guessing the clock will only be live when the engine is running or if there is such a thing when the ignition is ON. Loads of various model displays on the net. Most LED's seem to pack up when 20 years old or more if applicable.

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01-05-2018, 09:23	#3
Terrano Steve Senior Member Join Date: Oct 2014 Location: South west Vehicle: Terrano Posts: 522	Hour clocks on tractors & plant operate off the wire on the alternator (usually marked ind ) which goes to the warning light on the dash. So only able to clock hours when engine is running.

01-05-2018, 14:44	#5
Terrano Steve Senior Member Join Date: Oct 2014 Location: South west Vehicle: Terrano Posts: 522	Not all alternators need an exciter to start them charging so you may be right but if it still has the warning light wired in & working you should be able to use that.