Question about 1981 Ford F 100
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Posted on Jan 02, 2017
Very small help:
> ,(& what is a “ballast” resistor? Is it different from a regular resistor?).
Ballast resistors are special; they have what is known as a 'positive temperature coefficient' meaning that they increase in resistance with temperature.
This provides a very hot spark to start, then a reduction in current as the resistor warms up.
This prevented points and coils from frying from unnecessarily high current.
Early electronic ignition systems still used them, I don't think any modern car has them now.
If you have a larger public library, it might be worth a look on line (if available) or a visit to search for a manual; have found some classics there.
If you find it there - copy it, then RETURN IT! :-)
Posted on Jun 11, 2008
hi there, if you can feel the misfire at an idle but not at a higher rpm than the fuel pressure regulator is bad im working on one right now that has mifire code and random misfire codes coming up
Posted on Aug 28, 2008
SOURCE: weak spark + 1988 ford bronco
i have an 89 ford bronco if i drive it to work get home shut it off try to start it again it wont start sounds like the battery is dead but have replaced the battery what could it be
Posted on Jan 03, 2009
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