Car swings but does not start
Sadly this is a USA site... and Opel data seems to be pretty scarce on your car...
Simply (generally)... You are looking to see steady battery on your coil.. as the distributer turns it SHOULD BE interrupting ground...
and generating a PRETTY POWERFUL spark...
Use a volt meter and measure for battery = good.
... no battery... back up to the BALAST RESISTOR (if equipped)... measure for battery...
Only now do you need to know the circuit back to your starter switch ("B" and "S" leads).
ELSE...
If you have a clever (preferably smaller/tool (we'll call SPARKY)) assistant... you can convince to hold the spark lead REALLY REALLY close to the spark plug... If SPARKY sees (or feels) a spark move on to the FUEL... FILTER & PUMP.
Sparky would be smarter to pull out the center wire of the distributor cap... that way less likely your assistant will get ENERGIZED...
No spark = possibly bad distributor or coil
Now disconnect the ground side and manually apply rapid ground... test for spark = good coil
Still no spark = bad coil,
There is a tool for that (I'll post it below)...
Now no spark = clean/replace points (& capacitor) or
replace inductor!!
SOURCE: 1989 Dodge Ram D50, no spark. coil may be miswired.
Check the resistance on the coil. the (+) (-) side should be about 10 Ohms resistance and the part that goes out of the coil should be 1-2 ohms resistance. Get yourself an ohmmeter and check it. best way to check is to figure out what wire runs from the computer to the coil and follow the wiring all the way to the coil making sure theres no rips or shorts. If there isnt, then I would splice into the two wires and run two new wires over to the coil. If it still doesnt have spark then its a faulty computer and should be replaced. Good luck
ITS AT THE BOTTOM OF THE ENGINE NEAR THE CRANKSHAFT PULLEY, IF YOU STAND IN FRONT OF THE CAR FACING THE WINDSCREEN , ITS ON YOUR LEFT , IT ACTUALLY READS OFF THE PULLEY TOOTHED WHEEL, IT FITS ONTO A BRACKET HELD BY A TORX BOLT , ITS ALSO VERY CLOSE TO THE PULLEY AND HAS A CABLE CONNECTED TO IT
SOURCE: 1989 Fleetwood Bounder RV with carburated Chevy
check that you did not reverse the coil wires. with the key on one will be hot when checked with a test lite
that one goes to the positive (+) terminal of the coil
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