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'74 tii won't start when cold and wet out, suggestions?

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Hi everyone,


I've been having this issue with my '74 tii for the last couple years and figured its about time I fixed it. Whenever it's foggy, rainy, or just cold and wet out, the car refuses to start after sitting for a while/overnight.

Battery has plenty of power and I know it's getting fuel.

If I run the car the night before for about 5 minutes it'll usually start the next morning pretty quick.

Later in the day when it dries out the car starts up no problem.

Please let me know if you guys have any solutions or suggestions!





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for this you will need a spray bottle with

just water. while the car is running and hot,

spray the coil at the end where the wires are.

just lightly first then more to see if it stumbles

stalls. if you do this in the evening or after dark

you may even see where the sparks might be

occurring. usually the high-voltage jumps to the

black single wire and to ground. if this happens

then start by cleaning around the coil top and or

replacing some of the connections or the cap to

coil wire. do this when the motor is good and hot

so that it can dry out on its own if you do not have

all the parts to fix it then.


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Its a damp ignition problem, easiest solution is to replace cap and plug leads....you could try spraying some water displacer inside the cap for a temporary improvement.

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