I need a clear picture or a good schematic of Coleman evcon presidential ail EB15A I would rather have a picture I have bought all new parts but the limit switches and the elements but had them checked by professional at a heating and air center and they said it was good I am desperate I am in the middle of winter with 2kids and wife have paid 3 so called professional to come look at it no good get it going every thing was fine my sequencer has been out a couple years I was just turning on the air and leaving the blower on the thermostat was kicking the elements on and off but woke up one morning and the blower wasn't blowing but the heat strips was working so my wife called her dad and he proceeded to work on it then he announced he had got the blower to blow but couldn't get the heat strips to work and that's basically where I am at Ive but 4 different transformer in it but they keep blowing theirs 2 transformer one in the bottom and one in the switch box father in law took some pictures before he started to work on it but not the whole thing and I have my original schematic that came with it but the pictures and the schematic are close but they seem to be different I don't understand tried both with 4 dead transformer 2 show for it and yes the transformer was for 220 and not 120 lost one 120 2 at first ha-ha won't do that again God bless anybody who can help
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I appreciate anybody who helps another or others

The sequencer not only brings on the blower it brings on the strips one at a time. If part has gone bad in time all will go bad. The sequencer can get stuck closed and pop fuse links on the strips or the sequencer will not close at all. The only place to finde out how to do this right is OJT.

Thanks for you're replie my friend and you are right to a certain point nothing beats ojt but I have a brand new sequencer abd fan capaciter and 2 brand new transformers and the heat strips and limit switches have been tested and deamed okay although one of the insulater was broke into I fixed it with some jbweld so know I am moving on to the other transformer the upper one the one in the box that houses my switches for auto/fan and heat/cold I just learned a neat trick by putting regular 20amp car fuse in between the transformer lines all 4 it would blow them instead of my $30 transformer killer trick for troubel shooting well I did that hooked everything up right but blower came on but still no heat and now no airconditioning thanks again I appreciate the advice