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System Tests: Introduction

NOTE: For proper diagnostics, see VIN CODE IDENTIFICATION  table.

Identify symptom and perform appropriate test. See SYMPTOM INDEX  .

SYMPTOM INDEX

Symptom Perform Test
Warning Indicator Is ON With Engine Running, System Is Not Charging (4.0L OHV) A 
Warning Indicator Is OFF With Ignition On, System Is Not Charging (4.0L OHV) B 
Warning Indicator Is ON With Engine Running, System Is Charging (4.0L OHV) C 
Warning Indicator Is OFF With Ignition On, System Is Charging (4.0L OHV) D 
Warning Indicator Operates Properly, System Is Not Charging (4.0L OHV) E 
Warning Indicator Flickers Or Operates Intermittently (4.0L OHV) F 
System Overcharges (4.0L OHV) G 
Warning Indicator Is ON With Engine Running, System Is Not Charging (4.0L SOHC & 5.0L) H 
Warning Indicator Is OFF With Ignition On, System Is Not Charging (4.0L SOHC & 5.0L) I 
Warning Indicator Is ON With Engine Running, System Is Charging (4.0L SOHC & 5.0L) J 
Warning Indicator Is OFF With Ignition On, System Is Charging (4.0L SOHC & 5.0L) K 
Warning Indicator Operates Properly, System Is Not Charging (4.0L SOHC & 5.0L) L 
Warning Indicator Flickers Or Operates Intermittently (4.0L SOHC & 5.0L) M 
System Overcharges (4.0L SOHC & 5.0L) N