If this is the 4.3 engine, it is located on the bracket next to the ignition coil.
Take the electronic ignition module to advance auto parts have it tested for free
The 1999 Chevy S 10 pickup truck ignition module can be found on the firewall in the engine compartment. The ignition module will be on the drivers side of the firewall.
A bad ignition module.
That truck should have electronic ignition, no points.
jerky
It has the HEI distributor in it."High Energy Ignition" and also called "High Energy Electronic Ignition"
It stands for Electronic Control Module. It is located on the distributor & controls the fuel/air mix, idle setting etc.
where is the pcm module located on my 1997 Chevy truck
The ignition module is located in the distributor
1, 8, 4, 3, 6, 5, 7, 2.
under the distributor cap. it is black plastic and has 2 small screws in it New answer: Sorry but that year did not use an ignition module. It use a crank senser and cam senser. If this is a S10 with the 4.3 L engine, it has an ignition module and it is attached to the bracket that also holds the ignition coil on the passenger side of the engine.
Looking from front of truck, it is mounted on top of the engine, left of the throttle body.