Send a picture if you could?  Engine block (oilpan) heater is just a 110v plug hanging from the heater itself.  Never heard of a transmission block heater?  Yes the belly pan sounds like it gives it away.
Jeff

> On Mar 7, 2017, at 12:51 PM, JORDANVW@aol.com wrote:
> 
> thanks karl and jeff...i havent seen the van in person yet, just going by
> pics and the current owner doesn't know much about it. its a canadian spec
> 1.9L wbx.  i thought it could be some goofy cold start knob manual  choke as
> the van has both engine and tranny block heaters as  well,  but the latest
> consensus is that its most likely a gas heater  knob that was replaced by a
> different style knob.   current owner says  there is a 'large metal sheet
> covering the underbelly of the van"  so this  sounds right.
> 
> 
> In a message dated 3/7/2017 1:33:37 P.M. Eastern Standard Time,
> tdiguru@WESTYVENTURES.COM writes:
> 
> Oh - no  wbx ever used this, no reason to have it. Only  diesels.