10 Amp Engine fuse on an 89 FI

[tooldude]

That's really great gunnerw, getting it fixed is what counts! It never quite added up to me. I have to stick with measurements and specs.

[tooldude]

Amazing what I just found online googling resistors. I would not have made another post if I had not seen this. You may have heard, as I have, of resistors gaining in value as they age, but not losing resistance. I found some ham radio operators discussing how they go up or down in value as they age. This is the only way this problem makes any electrical sense to me. The main relay coil is good so the engine will crank & run, but the resistor in parallel has lost resistance and is allowing too much current once the motor is running. If the value gets too low it may leave V Reg vulnerable too if it loses its clamping ability. I never dreamed they could do that. This post is for all who like to fully understand these circuits. gunnerw do you still have the old relay? I sure would like to check it out.

[gunnerw]

Yes I still have it

[nitrofarm]

Amazing what I just found online googling resistors. I would not have made another post if I had not seen this. You may have heard, as I have, of resistors gaining in value as they age, but not losing resistance. I found some ham radio operators discussing how they go up or down in value as they age. This is the only way this problem makes any electrical sense to me. The main relay coil is good so the engine will crank & run, but the resistor in parallel has lost resistance and is allowing too much current once the motor is running. If the value gets too low it may leave V Reg vulnerable too if it loses its clamping ability. I never dreamed they could do that. This post is for all who like to fully understand these circuits. gunnerw do you still have the old relay? I sure would like to check it out.

Sent from my USCC-C6721 using Tapatalk

[tooldude]

Nitro, I don't know what that is, so much I don't know about this site and computers etc.

[tooldude]

Oops never mind

[tooldude]

Yes I still have it

Sent you a PM.

[big_kid2]

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