no1parfive Posted May 19, 2018 Share Posted May 19, 2018 In recent posts concerning my "won't start" situation, discovered no spark after making a spark test on coil. I get power to the primary terminals on the coil when cranking, but no spark on output wire to distributor. Replaced coil and wire along with other components mentioned in previous posts and still no spark, any suggestions? Link to comment Share on other sites More sharing options...
MazingHL Posted May 21, 2018 Share Posted May 21, 2018 HEP sensor tested/replaced? Link to comment Share on other sites More sharing options...
Reaper1 Posted May 21, 2018 Share Posted May 21, 2018 Yeah, he's said he's done that. Does the replacement coil have the correct primary side resistance? Link to comment Share on other sites More sharing options...
no1parfive Posted May 21, 2018 Author Share Posted May 21, 2018 Could not find what the correct primary side resistance should be in my service manual, do you know? Link to comment Share on other sites More sharing options...
TwinCamFan Posted May 21, 2018 Share Posted May 21, 2018 When you crank the motor, does the tachometer move at all? The starter is only tuning the motor about 200RPMS but the tach should move some. Couple things about the HEP/Hall Effect/distributor pick up and just about any other name that has been used. I know the terminology police are lurking nearby... If the tach does NOT move when cranking, you still have an issue with the HEP. I've seen two things after replacing these. One was bad right outta the box, hard to believe but can happen. The other time one of the female recieving pins (on the engine harness side) inside the plugs had loosened and wasnt't making good contact. I had to ease it shut with a jewlers style screwdriver . There are 6 pins, check them all if the tach doesn't move. If the tach DOES move, have you verified that your camshaft is spinning when it cranks? The belts can fail by losing teeth so the crank sprocket has nothing to grab but the belt still *looks* intact on casual inspection. 1 Link to comment Share on other sites More sharing options...
no1parfive Posted May 22, 2018 Author Share Posted May 22, 2018 Will check out everything you specified. Have question, would any of these conditions prevent output voltage (no spark) of coil even though I have 12 volt power at the primary terminals on the coil during starting? Link to comment Share on other sites More sharing options...
Reaper1 Posted May 22, 2018 Share Posted May 22, 2018 Yes. If the timing belt is snapped/stripped it might not be spinning the auxiliary shaft, which in turn would spin the distributor. 1 Link to comment Share on other sites More sharing options...
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