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Ignition Checks: Spark

Check for spark at spark plug wires using a spark tester. Check resistance of each spark plug wire. Replace wire if resistance is not within specification. See appropriate HIGH TENSION WIRE RESISTANCE table below.

LEGACY HIGH TENSION WIRE RESISTANCE

Application Resistance: Ohms Wire Length: In. (mm)
No. 1 495-11,560 21.25 (540)
No. 2 486-11,330 21.65 (550)
No. 3 495-11,560 21.25 (540)
No. 4 524-12,230 23.62 (600)
LOYALE HIGH TENSION WIRE RESISTANCE

Application Ohms (PFI) Ohms (TBI)
No. 1 243-567 243-567
No. 2 948-22,130 838-19,560
No. 3 958-22,360 790-18,440
No. 4 241-562 241-562
XT & XT6 HIGH TENSION WIRE RESISTANCE

Application Ohms (1.8L) Ohms (2.7L)
No. 1 243-567 243-567
No. 2 947-23,030 10,860-25,330
No. 3 958-22,360 11,240-26,230
No. 4 241-562 452-10,550
No. 5 N/A 11,430-26,680
No. 6 N/A 260-607