Driving does not charge house battery

[MLP]

Ok. I'll play I stole your PDF.

[Pillbox]

All wires on the chassis side of trombetta go to chassis side of bim except the IRD Wires.
All wires hooked to house side go to house side of bim again except the wires if they go to the IRD.
Only should have the small post wires left.
One side should have the IRD wire tied to it and going to ground. Put ground wire to bim.
Blue wire from IRD hooks to the ing on bim.
The other wire on trombetta is the emergency start. That goes to the signal side.

Terry

[dlt]

Well, I spent the whole afternoon, could not find the actual broken wire. I tested to connect IRD to battery positive, that worked. So it should be the wire issue.

I traced the wire to the fuse box under driver seat. Most fuses are good, so I have to stop here. The good news is, I can cut and connect that wire to some fuse port.

After seeing all the wires, that is a mess, how could this get off the assemble line.

[Judge]

Originally Posted by dlt

After seeing all the wires, that is a mess, how could this get off the assemble line.

Unfortunately that is typical Thor quality and workmanship. I ended up redoing alot of the wiring in my coach.

[MLP]

Originally Posted by dlt

Well, I spent the whole afternoon, could not find the actual broken wire. I tested to connect IRD to battery positive, that worked. So it should be the wire issue.

I traced the wire to the fuse box under driver seat. Most fuses are good, so I have to stop here. The good news is, I can cut and connect that wire to some fuse port.

After seeing all the wires, that is a mess, how could this get off the assemble line.

You, obviously, have never toured a fifth wheel or trailer factory. That wiring is quite neat!

[PreCambrian]

I have a 2022 Thor Four Winds 22E and am following this post closely so if I have problems I can fix them more easily in the future.

Just a few comments. First I wouldn't call the Trombetta a latching relay. The contactor only closes when the "emergency" button is pushed, let go of the button and the relay opens. The button is a momentary button (only closes while being pushed) so it is a momentary circuit.

I have been thinking about changing my house batteries to lithium. I haven't been able to get information from the manufacturer if the converter is programable or adaptable to lithium. I have a WF-8955PEC converter but the "SPEC" part just means that it is a specified or perhaps special item for OEM. If you find out @dlt, then please let me know.

My unit also has one solar panel with a charge controller. According to the user manual the solar charge controller GP-PWM-10-SQ doesn't have a lithium battery selection.

As an electrical engineer, I have a hard time understanding why Thor couldn't produce better drawings. They should take a cue from the electrical schematics for most cars.

[Bill Johnson]

Originally Posted by PreCambrian

I have a 2022 Thor Four Winds 22E and am following this post closely so if I have problems I can fix them more easily in the future.

Just a few comments. First I wouldn't call the Trombetta a latching relay. The contactor only closes when the "emergency" button is pushed, let go of the button and the relay opens. The button is a momentary button (only closes while being pushed) so it is a momentary circuit.

I have been thinking about changing my house batteries to lithium. I haven't been able to get information from the manufacturer if the converter is programable or adaptable to lithium. I have a WF-8955PEC converter but the "SPEC" part just means that it is a specified or perhaps special item for OEM. If you find out @dlt, then please let me know.

My unit also has one solar panel with a charge controller. According to the user manual the solar charge controller GP-PWM-10-SQ doesn't have a lithium battery selection.

As an electrical engineer, I have a hard time understanding why Thor couldn't produce better drawings. They should take a cue from the electrical schematics for most cars.

The specs say it does, Product Features:
Pulse Width Modulation Charging
4 Battery Charging profiles: Gel, AGM, Flooded, and Lithium
4 Stage Charging: Bulk, Float, Absorption and Equalize
Monthly Equalize option
LCD display shows Charging Current, Battery Voltage
LED indicator shows Battery State of Charge
Reverse Polarity protected
Accepts up to 190 watts of solar at 12 volts

[BASSMAN]

So many people post about going AGM or Lithium when they have a lead acid chassis battery, that engine alternator was designed to charge a lead acid battery in the chassis and the house, going to AGM or Lithium with out doing a DC to DC battery charger that can be set for the different batteries is throwing money away, do the research before you make the switch, if you do the change to AGM or Lithium your converter or charger needs to change to allow it to charge the batteries to the correct voltage, Inverters are available with a built in charger that can be set to handle the AGM or Lithium batteries

[16ACE27]

Originally Posted by BASSMAN

So many people post about going AGM or Lithium when they have a lead acid chassis battery, that engine alternator was designed to charge a lead acid battery in the chassis and the house, going to AGM or Lithium with out doing a DC to DC battery charger that can be set for the different batteries is throwing money away, do the research before you make the switch, if you do the change to AGM or Lithium your converter or charger needs to change to allow it to charge the batteries to the correct voltage, Inverters are available with a built in charger that can be set to handle the AGM or Lithium batteries

Nothing has to change for AGM and AFA the alternator charging house lithium batteries; a LI-BIM will handle that.

[Hooligan2]

Originally Posted by PreCambrian

I have a 2022 Thor Four Winds 22E and am following this post closely so if I have problems I can fix them more easily in the future.

Just a few comments. First I wouldn't call the Trombetta a latching relay. The contactor only closes when the "emergency" button is pushed, let go of the button and the relay opens. The button is a momentary button (only closes while being pushed) so it is a momentary circuit.
.

Trombettas can either be momentary (Emergency start) or continuous duty used to charge house batteries from alternator. Held on by constant signal, not latching. Not interchangeable..

[dlt]

Originally Posted by dlt

Well, I spent the whole afternoon, could not find the actual broken wire. I tested to connect IRD to battery positive, that worked. So it should be the wire issue.

I traced the wire to the fuse box under driver seat. Most fuses are good, so I have to stop here. The good news is, I can cut and connect that wire to some fuse port.

After seeing all the wires, that is a mess, how could this get off the assemble line.

After I emailed to Thor customer support, here is the final result.

Base on the information he provided, the blue wire of IRD is connected to yellow wire that is connect to pink wire (ON 10A Fuse F13 underwood fuse block) in position E located at bottom of pillar behind drivers sear.

I found F13 fuse is blown.So just ordered fuse, this is considered fixed.

[dlt]

By the way, this is Chevy chassis.

[PreCambrian]

Originally Posted by dlt

By the way, this is Chevy chassis.

Thanks for that information. Mine (Four Winds 22E) is a Ford E350 Super Duty Chassis so the fuse numbers, colors, etc. probably don't apply to me but I will remember the symptoms.

You would think that since Thor has to build the wiring harnesses that they would have drawings for them and the attachment points. I don't think that they just tell the workers to just "wire as required".

[dlt]

Originally Posted by PreCambrian

Thanks for that information. Mine (Four Winds 22E) is a Ford E350 Super Duty Chassis so the fuse numbers, colors, etc. probably don't apply to me but I will remember the symptoms.

You would think that since Thor has to build the wiring harnesses that they would have drawings for them and the attachment points. I don't think that they just tell the workers to just "wire as required".

Yes, he did attached the schema of the “emergency start”, that included this portion. I did not aware of the attachment before I found the fuse. I could attach it here later for reference. It is for Chevy chassis.

[dlt]

Originally Posted by dlt

Yes, he did attached the schema of the “emergency start”, that included this portion. I did not aware of the attachment before I found the fuse. I could attach it here later for reference. It is for Chevy chassis.

Here it is.

[16ACE27]

Originally Posted by dlt

Here it is.

I guess you didn't read the fine print on that diagram?

[PreCambrian]

Originally Posted by 16ACE27

I guess you didn't read the fine print on that diagram?

I guess that I was too late because I didn't see any attachment from dlt. Someone must have taken it down.

I have attached the 12V electrical power schematic but it is almost useless for troubleshooting the isolator solenoid because it doesn't include the control wiring (i.e. what actually actuates the isolator solenoid) for the isolator solenoid.

[16ACE27]

Originally Posted by PreCambrian

I guess that I was too late because I didn't see any attachment from dlt. Someone must have taken it down.

I have attached the 12V electrical power schematic but it is almost useless for troubleshooting the isolator solenoid because it doesn't include the control wiring (i.e. what actually actuates the isolator solenoid) for the isolator solenoid.

It was taken down because it is copyrighted by Thor. Yours is the same and also has a copyright warning on it that you failed to read.

[OldWEB]

Originally Posted by 16ACE27

It was taken down because it is copyrighted by Thor. Yours is the same and also has a copyright warning on it that you failed to read.

Has anyone at the Thor Forums asked TMC if this forum could be allowed to post the copyrighted items? Them NOT allowing owners some knowledge exchanging would be ludicrous for business.


Just a thought.

[Bill Johnson]

Originally Posted by OldWEB

Has anyone at the Thor Forums asked TMC if this forum could be allowed to post the copyrighted items? Them NOT allowing owners some knowledge exchanging would be ludicrous for business.


Just a thought.

I looked at my owners resource and didn't see anything, I even opened many PDF's and I didn't see anything