Toyota Supra 1990 Manual page 353

IGNITION SYSTEM - Distributor (7M-GE)
IG-19
IG1001
IG0999
IG1047
INSTALLATION OF DISTRIBUTOR
1. CHECK NO.1 CYLINDER TO TDC/COMPRESSION
(See page IG-17)
2. INSTALL DISTRIBUTOR
(a) Install a new O-ring to the distributor.
HINT: Always use a new O-ring when installing the dis-
tributor.
(b) Align the groove of the distributor housing with the
protrusion on the driven gear.
(c) Insert the distributor, aligning the center of the flange
with that of the bolt hole on the cylinder head.
(d) Lightly tighten the hold-down bolt.
3. INSTALL DISTRIBUTOR CAP
4. CONNECT DISTRIBUTOR CONNECTOR
5. CONNECT HIGH-TENSION CORDS TO DISTRIBUTOR CAP
6. WARM UP ENGINE
Allow the engine to normal operating temperature.
7. CONNECT TACHOMETER TO ENGINE
Connect the tachometer test probe to the check connec-
tor terminal IG
8.
NOTICE:
• NEVER allow the tachometer terminals to touch ground
as it could result in damage to the igniter and/or igni-
tion coil.
• As some tachometers are not compatible with this igni-
tion system, we recommend that you confirm the com-
patibility of your unit before use.
HINT (7M-GTE): Connect the timing light pickup to the
No.6 cylinder high-tension cord.