SPARK PLUG WIRES

1999 Cadillac Catera

Tiny

mraker1

November, 27, 2009 AT 4:50 PM

Electrical problem
1999 Cadillac Catera 6 cyl Two Wheel Drive Automatic 105000 miles

where are the spark plug wires located.I cant seem to find them

1 Answer

Tiny

factoryjack

November, 27, 2009 AT 9:36 PM

99 has ignition coil-on-plug, not plug wires.

The Catera 3.0L V6 is equipped with a distributorless ignition system. The system has 2 ignition coil packs. One coil pack is for bank 1 (cylinders 1, 3, and 5), and the other coil pack is for bank 2 (cylinders 2, 4, and 6). Each coil pack contains 3 coils, one for each cylinder on the bank. At the end of each coil is a boot, which connects directly to the spark plug. This eliminates the need for a spark plug wire, and the result is more precise ignition timing.

The engine control module (ECM) contains the ignition control module. The module precisely controls the ignition timing.

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