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FSCM - is a fuse, a 25 amp fuse located in the underhood fuse box which supply's battery voltage to the fuel pump flow control module .This is shown in service repair manual
If replacing the fuel pump flow control module, program the control module. Refer to Control Module References.
But in Control Module References it's not listed as a module needing programming . Think this module is plug an play .
What engine ? Could have a relay or could have a fuel pump flow control module ? Two different set up's ! What is the RPO # (LY6) This one has a relay , and it would be in the under hood fuse / relay box . Would be maked on the inside of the fuse box lid . The one with the fuel pump flow control module will have two fuse's in the under hood fuse box 21 & 56 #21 FSCM 20amp fuse & 56 ECM- IGN. 15amp. . I know the one with the fuel pump flow control moduel has problems because of where they put it , under the vehicle near the fuel tank . Water an road salt an corrosion ,caused damage .
There are doors that control air flow and temp. Some are moved by vac and some use small electric motors depending on which door and if you have manual or automatic climate control.
You would need to take the trim panel off under the dash and probably open the glove box all the way to be able to see the components. The one that controls air flow is probably stuck or otherwise not moving.
On a 1996 model you probably have vac actuators that control air flow. Look under the dash and you may be able to see the actuator that controls flow to the defrost and vents. There would be another one for temp control.
The blower fan uses a voltage ballast block to control the different speeds. Sounds like it needs to be replaced. However, usually the highest speed still works, but not necessarily.
This is an inexpensive part and usually easy to change.
The voltage ballast issue. this is an electrical block which controls voltage to change fan speeds. Usually found under the passenger side dash, right in the air flow comming from the fan and inside the air flow housing. Usually held in by 2 or 3 screws with a connector and 3-4 wires sticking out. this should be under $20 to buy and quite easy to change, if you can find it. Try behind glove box etc. Do not test the new one without it being in place, as it may burn out very quickly without the air flow to cool it. Good luck
You likely need to replace the Resistor which controls the voltge delivered to the fan motor.
Your symptom shows this is right.
The resistor is inside the air box directly in the flow of air from the fan. You MUST have it fully installed before powering on the fan or it will burn out immediatly. Needs the air flow to keep cool.
You may need to pop out the glove box, then you should see a few wires going into the air assembly under the passenger side, being held in with 2 screws. Yours maybe slightly different. Ignition off, remove the couple screws and extract the plastic block holding the resistor lump. About 12 - 20 $ at auto parts store to replace. Pu the new one in and screwed down BEFORE turning on ignition.
Most likely problem is the flow sensor on the inlet and/or outlet pipe. It measures flow to ensure minimum flow before the unit lights. Sometimes they stick or go bad resulting in the control thinking that there is no water flow. Depending on where you purchased it, it may still be under warranty. Call your installing contractor.
More than likely the blend door has broken and fell on the blower which restricts air flow. Mine has done it twice and was fixed by dealer while under warranty, now it is broke again and out of warranty. drop the fan underneath the glove box and I bet you will find the broken recirc door on top of it. Another Great Design By Chrysler! Only way to fix it is to pull the dash and change the whole box. stealership wants 450 just for labor.