20 Most Recent 1993 Ford Econoline Questions & Answers

More likely it is that the switch is permanently closed circuit. Check it with a meter. https://www.google.com/search?q=1993+ford+econoline+van+wiper+switch+wiring+diagram ..

If you're finding it difficult to service/repair your car, get one of those online manuals. You'll not have to wait for others to answer, or rely on mechanics and all. Plus I know a website that has very good manuals online, without expiry i.e. for lifetime. www.reliable-store.com

google rear break drum

Did you have any codes in the engine control module ?

On this website, you find fuse box diagram and description for Ford E150 (1992 - 1996) Ford Series 150 1992 1996 fuse box diagram Auto Genius

Check you coolant valve that lets hot coolant into the heater core.

OBD II started with the 1996 model year.

Is the problem no heat or was the old one leaking?

Go to autozone dot com and make a free account and put in the year, make and model, then look for the free repair guides.

you will have to troubleshoot this carefully after checking obvious stuff like wire connections and fuses. you will probably need a schematic and troubleshooting guide from a haynes or chilton manual.