Operation CHARM: Car repair manuals for everyone.
Home >> Pontiac >> 1983 >> Firebird V8-305 5.0L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Electronic Spark Control Module >> Technical Service Bulletins >> Cooling Fan/Idle Speed/Spark Control - Electrical Tests
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Cooling Fan/Idle Speed/Spark Control - Electrical Tests


83pontiac08

Number 83-I-117 Section 6 Date 08/83

Subject: 1983-1/2 FIREBIRD T/A COOLANT FAN, IDLE SPEED CONTROL AND SPARK CONTROL ELECTRICAL DIAGNOSIS

IDLE SPEED CONTROL AND SPARK CONTROL (V8 VIN 7):




COOLANT FAN (V8 VIN 7):





Attached are Electrical Diagnosis Charts for the 1983-1/2 Firebird Trans Am equipped with a 305 cubic inch high output (L69) engine.

These diagnosis sheets pertain to the electric cooling fan, idle speed and spark control which are unique to the high output engine.

These diagnosis sheets should be filed in your Rear Wheel Drive Service Manual, Section 8A.
pro multis · About Operation CHARM