please help

[greg6775]

ok guys need you help some fool put a battery in my dads escort back words blown the mai nfuse now nothing when we put a afuse back in it turns over but no spark or nothing fdo you think the whole computer is fried ???????????????

[A. Souphound]

Originally Posted by greg6775

ok guys need you help some fool put a battery in my dads escort back words blown the mai nfuse now nothing fdo you think the whole computer is fried ???????????????

A few specifics about your Dad's car would be helpful i.e. year, engine size etc.

You say: ...."when we put a afuse back in it turns over but no spark or nothing....."

Describe what doesn't work....lights? accessories?

We can only 'see' your car by what you tell us.

[greg6775]

Originally Posted by A. Souphound

A few specifics about your Dad's car would be helpful i.e. year, engine size etc.

You say: ...."when we put a afuse back in it turns over but no spark or nothing....."

Describe what doesn't work....lights? accessories?

We can only 'see' your car by what you tell us.

91 ford escort wagon now i went there today the lights work radio works its turns over but wont start 1.9liter heater cam on for a sec the went off wonder if it needs a new computer ?????? thans greg

[A. Souphound]

Originally Posted by greg6775

91 ford escort wagon now i went there today the lights work radio works its turns over but wont start 1.9liter heater cam on for a sec the went off wonder if it needs a new computer ?????? thans greg

It may well need a computer, but that should be determined by trouble shooting in an orderly fashion. Putting a battery in backwards (reverse polarity) usually will blow the diodes in the alternator. I know of a number of vehicles that have been jump started backwards, and it did not destroy the computer.
Turn-off all accessories. Ignition switch OFF. Remove the under-hood light bulb.
I suggest connecting the (+) battery to the (+) battery terminal leaving the (-) cable disconnected. Put the trouble light between the (-) battery terminal and the (-) cable. The light should blink. If it does, the computer is online. If the light is steady, disconnect the alternator, and the light should go out, or blink. If so, the alternator is bad.
Give us some feedback on what you find.

[chevyn0va1]

Originally Posted by A. Souphound

It may well need a computer, but that should be determined by trouble shooting in an orderly fashion. Putting a battery in backwards (reverse polarity) usually will blown the diodes in the alternator. I know of a number of vehicles that have been jump started backwards, and it did not destroy the computer.
Turn-off all accessories. Ignition switch OFF. Remove the under-hood light bulb.
I suggest connecting the (+) battery to the (+) battery terminal leaving the (-) cable disconnected. Put the trouble light between the (-) battery terminal and the (-) cable. The light should blink. If it does, the computer is online. If the light is steady, disconnect the alternator, and the light should go out, or blink. If so, the alternator is bad.
Give us some feedback on what you find.

wow your full of Ideas wish I knew where you were when my car acted up (way back when I joined this forum)

[greg6775]

Originally Posted by A. Souphound

It may well need a computer, but that should be determined by trouble shooting in an orderly fashion. Putting a battery in backwards (reverse polarity) usually will blown the diodes in the alternator. I know of a number of vehicles that have been jump started backwards, and it did not destroy the computer.
Turn-off all accessories. Ignition switch OFF. Remove the under-hood light bulb.
I suggest connecting the (+) battery to the (+) battery terminal leaving the (-) cable disconnected. Put the trouble light between the (-) battery terminal and the (-) cable. The light should blink. If it does, the computer is online. If the light is steady, disconnect the alternator, and the light should go out, or blink. If so, the alternator is bad.
Give us some feedback on what you find.

but if that was so the car would still start it does turn over just no fire

[A. Souphound]

Originally Posted by greg6775

but if that was so the car would still start it does turn over just no fire

I fully understand the ignition is not working......among other things.

You say you replaced the Main Fuse....FYI the ignition circuit is not fused through the Main Fuse. Did you check ALL of the fuses? Check the BTN 40A fuse very carefully.
In closing be careful, shorted wiring/components can cause a fire.