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Old 01-11-2014, 00:57   #1
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No Power to Engine Panel

Hi all,

After removing my engine for a few months I put it back in a few weeks ago. Today I finished connecting everything up and hoping to see power and the starter motor turn, I have NO power to my engine panel. Zero, no ignition lights no starter no buzzer. The panel seems dead.

It's a vovlo Penta 2003 T

I've got power to the house no problem, power to my bilge pumps, and gas alarms, but nothing to my engine panel dash.

What cable powers the panel? Is it the main cable to the starter motor or the alternator?

Also, I wired up my two new 120amp solar panels. On a sunny day I had coming from the two joined together 12.8v. Is that normal? I was expecting more before going nt the new 20amp Stekka controller.
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Old 01-11-2014, 01:02   #2
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Re: No power to engine panel

Maybe you should stay away from electrics :-) Your Solar panels will be in Watts not Amps 120a Panel will be VERY big. The 2003 VP is powered by a fuse and a multiway connector just after the header tank.
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Old 01-11-2014, 01:05   #3
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Re: No power to engine panel

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Originally Posted by Emmalina View Post
Maybe you should stay away from electrics :-) Your Solar panels will be in Watts not Amps 120a Panel will be VERY big. The 2003 VP is powered by a fuse and a multiway connector just after the header tank.
Doh! Watts then.

Fuse or rather fuses all look ok. I changed them over to try and still didn't work.
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Old 01-11-2014, 01:57   #4
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Re: No power to engine panel

Do you own a multimeter? If not - get one. Then:

1. Test the fuses - don't just look at them.
2. Start testing the circuit from the starter battery towards the control panel.

If you don't know how to do that, find someone around your area who can show you in return for a few beers.
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Old 01-11-2014, 02:48   #5
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Re: No power to engine panel

Does the power from the source, in my case the three way switch, go to the starter or the solonoide attached to the starter?
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Old 01-11-2014, 03:33   #6
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Re: No power to engine panel

Wiring Diagrams on pages 28 & 29 in Shop Manual
http://www.bluemoment.com/manuals/vo...002_worksh.pdf
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Old 01-11-2014, 03:36   #7
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Re: No power to engine panel

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Originally Posted by Rustic Charm View Post
Does the power from the source, in my case the three way switch, go to the starter or the solonoide attached to the starter?
Suggest you study the wiring diagram at

Boatinfo - Volvo Penta 2001, 2002, 2003, 2003T Engine Service Manual
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Old 01-11-2014, 09:49   #8
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Re: No power to engine panel

Just off the wall. You didn't forget to get a good ground connection to the engine? Everything you described would depend on that. Forgetting the cold side is easy.
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Old 01-11-2014, 14:31   #9
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Re: No power to engine panel

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Just off the wall. You didn't forget to get a good ground connection to the engine? Everything you described would depend on that. Forgetting the cold side is easy.
Now that's worth me checking. All the non engine electrics work but there earthed back to the battery. I'd painted the engine when it was out of the boat so it's possible I've put the earth back onto a heavily painted surface.

Thanks Cadence, I'll go check that this afternoon. Might be on to it.
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Old 01-11-2014, 15:01   #10
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Re: No power to engine panel

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Originally Posted by Rustic Charm View Post
Now that's worth me checking. All the non engine electrics work but there earthed back to the battery. I'd painted the engine when it was out of the boat so it's possible I've put the earth back onto a heavily painted surface.

Thanks Cadence, I'll go check that this afternoon. Might be on to it.
Hope that's it. Let me know. Feed my ego if it works. I looked at the manual, did you find the fuse that had been mentioned. If you can find that relay try thumping it? I was not sure exactly what it does. I think it might ground the starter solenoid?

Good luck.
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Old 01-11-2014, 15:16   #11
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Re: No power to engine panel

Is not the solenoid grounded to the starter which is bolted onto the engine block? Was the area where the starter is bolted on to the block painted?
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Old 01-11-2014, 15:16   #12
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Re: No power to engine panel

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Hope that's it. Let me know. Feed my ego if it works. I looked at the manual, did you find the fuse that had been mentioned. If you can find that relay try thumping it? I was not sure exactly what it does. I think it might ground the starter solenoid?

Good luck.
The fuse block has four permanent fuses in it. As someone else suggested I'll put a meter across them and double check them rather than just view them. I doubt it's got anything to do with the fuse block as I tried each fuse and got no power on any of them. Relay is easiy to get in and out so I'll check that too.
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Old 01-11-2014, 15:18   #13
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Re: No power to engine panel

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Is not the solenoid grounded to the starter which is bolted onto the engine block? Was the area where the starter is bolted on to the block painted?
Yes that's correct. Why?
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Old 01-11-2014, 15:21   #14
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Re: No Power to Engine Panel

If the engine electrical system was working before you removed the engine and it's not working after you re-installed it, it's highly likely that you hooked something up wrong or failed to hook something up. Fuses aren't going to blow while the engine is out.

Go back and check your work. That's where the problem is.
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Old 01-11-2014, 15:28   #15
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Re: No Power to Engine Panel

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If the engine electrical system was working before you removed the engine and it's not working after you re-installed it, it's highly likely that you hooked something up wrong or failed to hook something up. Fuses aren't going to blow while the engine is out.

Go back and check your work. That's where the problem is.
that's my suspicion as well. Which is what led to me asking as I went over the wiring yesterday. It's not like there is a lot of wiring. Basically five connections. The main engine harness is a single plus in, can't really get that wrong as it only goes in one way. If it's a wire I've connected wrong I'm suspecting it's around the alternator. But would that kill power completely?

But I'm keen to check the earth bolt first as that makes a lot of sense I think.
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