Question about 1991 Chevrolet S-10 Blazer
Check to see if the coil spins when you crank the motor the other thing is the crankshaft sensor is bad
Posted on Nov 12, 2009
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Posted on Jan 02, 2017
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Please see my tip at http://www.fixya.com/cars/r6223989-ignition_coil_doesn_t_spark . These are generic instructions--specific instructions are pasted below from Autozone.com. If you get stuck, please get back to me.
Use a test light to check for power to the coil on the black wire with a yellow stripe--see procedure below and other tests you can run. You will need a volt-ohm meter to run most of these tests.
The system used on 1990-95 Accords and 1989-95 fuel injected Preludes uses the distributor components to signal the engine computer. The ECU triggers the spark through the igniter unit and coil. This spark timing is controlled by the computer as an integrated function of the fuel management system. The distributor contains a crankshaft angle sensor and a No. 1 Cylinder Top Dead Center (TDC) sensor. Using these and other electrical inputs, the computer controls spark timing electrically.
1990-91 ACCORD Fig. Fig. 6: Terminal identification on 1990-91 Accords
See Figure 6
See Figure 16
Fig. Fig. 6: Terminal identification on 1990-91 Accords
Fig. Fig. 16: Coil terminal designation on 1990-91 Accords
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