Bronco Full Size L6-300 4.9L (1987)
Malfunction Indicator Lamp Driver Module: Customer Interest
Instrument Cluster - Diagnosis of Warning Light
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INSTRUMENT CLUSTER - DIAGNOSIS OF WARNING LIGHT
Article No.
87-14-12
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WARNING LIGHT - DIAGNOSIS OF WARNING MODULE
LIGHT TRUCK:
1987 F SERIES, BRONCO, AEROSTAR
ISSUE:
The diagnostic procedure for the warning module that operates the "check engine" warning light on vehicles with base instrument clusters
was not included in the 1987 Light Truck Shop Manual, Volume A, Section 33-51 or the Aerostar Shop Manual, Section 17-01.
ACTION:
If service is required, use the following diagnostic service procedure to determine if replacement of the module is necessary.
Figure 8
Figure 9
