Yes. This testing procedure is valid for most automotive coils. Using an ohmmeter, check the resistance between the side terminals of the coil. Do this with all of the wires to the coil disconnected. You should see 0.75 to 0.81 ohm of resistance. Then check the resistance between either side terminal and the center high tension terminal. The reading should be 10,000 to 11,000 ohms. Any significant deviation from these numbers would indicate that the coil is defective.
Pontiac Trans Sport was created in 1990.
The ignition module for a 1990 Pontiac Trans Sport with a 3.3-liter engine is located on the ignition coil assembly, which is typically found near the front of the engine, close to the intake manifold. To access it, you may need to remove the ignition coil cover. Make sure to disconnect the battery before attempting any repairs to avoid electrical shock or damage.
To remove the ignition switch from a 1997 Pontiac Trans Sport, first disconnect the negative battery cable to ensure safety. Next, remove the steering column covers by unscrewing the screws holding them in place. Then, locate and disconnect the wiring harness from the ignition switch, and unscrew the ignition switch from its mounting bracket. Finally, carefully pull the switch out to complete the removal process.
Ok that has to do with your map sensor or idle air control valve. you need either replace them or have them tested.
It's concealed in the roof
185 hp
The horn is under the left head light .
under the floor mat on the passenger side
On the lower driver side of the radiator!
If an automatic transmission ,broken bands in the tranny.
Try under the dash near the glove box.
Wiring for 91 Pontiac Transport: http://www.auto-olds.ru/PONTIAC%20TRANS%20SPORT%201991.pdf