Labels:text | black and white | diagram | font | parallel | screenshot | number | receipt OCR: 1 . Perform System Check before proceeding with this test. IIf a tachometer is connected to the Tach term ., disconnect it before IGNITION SYSTEM proceeding with the test). . Check spark at plug with spark tester J-26792 or equivalent (ST-125) CHECK while cranking (if no spark on one wire, check a second wire) A few sparks and then nothing is considered no spark. (REMOTE COIL) 2.5L TRUCK No Spark Spark 1A . Disconnect 4 term, distributor Check fuel,spark plugs, etc. connector and check for spark. See Section 2 symptoms. TEST LIGHT No spark Spark TO D.C. POWER SUPPLY (1.5 to 8V) . Check for spark at coil wire with tester while cranking. (Leave spark tester connected to coil wire for Steps 3-6). Replace pick-up coil PNER +CB No Spark Spark 3 . Disconnect distributor 2 term. "C/ + " connector. . Ignition switch "on", Engine stopped. Inspect cap for water, cracks, . Check volts at " + " and "C" term's. of dist. harn, conn. etc. If OK, replace rotor. Fig. 1 Both term's. 10 volts or more Both term's. under 10 volts Under 10 volts "C" term. only . Reconnect dist. 2 term. conn. . With ign. "ON", check voltage from tach. term. Repair wire from module " + " term. Check for open or gnd. in ckt. to gnd. (term. may be taped back in harness). to "B" term. of black Ign. coil connector or primary ckt. to ign. sw. from "C" term, to ign. coil. If Ckt. is OK, fault is, ign, coil or conn .. Over10 volts Under 1 volt 1 to 10 volts . Connect test light from tach, term, to ground. Replace module and check for . Crank engine and observe light. Repair open tach. lead or conn and repeat test #4. spark from coil as in Step 6. Light on steady Light blinks Spark No Spark . Disconnect distributor 4 term. connector. System Replace ign. coil, . Remove dist. cap. OK it too is faulty . Disconnect pick-up coil connector from module. . Connect voltmeter from tach. term. to ground. Ignition on. Insulate a test light probe to 1/4" from tip and note voltage, as test fight is momentarily connected from a Replace ignition coil and recheck voltage source (1.5 to 8V) to module term. "P". (Fig. 1). for spark with spark tester. If still no spark, re-install original coil and replace dist. module .. Voltage drops No drop in voltage . Check for spark from coil wire with spark tester Check module ground. as test light is removed from module term. If OK, replace module. No Spark Spark *If no module tester (J24642) is available; Replace ign. coil and repeat Step 5. If module tester (J24642) Is rotating pole piece is available: test module still magnetized? No Spark Spark OK Not OK Yes NO Ign. coil removed is OK, System OK Check coil wire Replace Check pick-up coil Replace pole piece reinstall coil and check coil from cap to coil. If module or conns. (Coil wire from dist, cap. if OK, OK, replace coil. resistance should and shaft assy. replace dist. module. be 500-1500 ohms and not grounded.)
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