HDJ80 24v Webasto install

Stiles

Stiles

Joined
Oct 7, 2021
Messages
23
Location
Telluride
Howdy!
Per recommendation on here, l got a Thermo Pro 50 Eco 24v Webasto for my 1990 HDJ80 (1HD-T).

Could use some guidance on how to hook up the electrical, please. Seems its only 24v for starting... Some specific instruction/guidance would be superb.

FYI: Webasto doesnt sell heaters online, and they dont give instruction or support to anyone but an authorized installer. If you get a heater online, it isnt supported by them.

Everything else seems rather straight-forward (??!). T into fuel line, connect into coolant lines...

The electrical l am stumped by.

Thanks for the help, all!
Joe
 
Douglas S

Douglas S

Joined
Mar 21, 2010
Messages
3,076
Location
SK, Canada
Hate to be the bearer of bad news but your HDJ80 is a 12 volt vehicle and will need a 12 volt webasto. Only the starter is 24v.

There are some threads in the diesel section that cover installation. They're a bit of a pain to install but you will love the end result, I've had mine for over 5 years at this point and it's by far my favourite modification.
 
Stiles

Stiles

Joined
Oct 7, 2021
Messages
23
Location
Telluride
Hate to be the bearer of bad news but your HDJ80 is a 12 volt vehicle and will need a 12 volt webasto. Only the starter is 24v.

Ooooph! Of this l was worried. I bought this model from a recommendation on here :/ Learning curves...

12v to 24v convertor an option? Or run dedicated electrical connection to both batteries, or connect into starter wire? l have the heater in-hand already, and would like to make it work...
 
Last edited:
Stiles

Stiles

Joined
Oct 7, 2021
Messages
23
Location
Telluride
Any proper recommendations on the best webasto heater for 12v offroader?
 
AirheadNut

AirheadNut

Joined
Dec 22, 2015
Messages
1,617
Location
Whitefish/Bozeman, MT
Don't know if you're still looking, but the Thermo Top C is the one that seems most readily available. They were fitted as standard in some diesel vehicles in Northern Europe, and can be found used on eBay for a quarter of the normal cost. Those ones were CAN-bus controlled, there is someone in Hungary who makes new control boards for them to run with a simple on/off switch or a remote control.
 

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