MSD Digital Ignition Tester 86032M 4L60 / 700R4 1982-93

4L60 / 700R4 1982-93

Tuned-length primary tubes for street performance

enables selection of spark plugs that will not make such contact

1979-1986 GMC C1500 Suburban

Available with inside and outside seams

MSD Digital Ignition Tester 86032M 4L60 / 700R4 1982-93This Tester will check the operation of all of MSD's single channel CD Ignition Controls. Once the ignition tests good, you can continue troubleshooting and find the culprit. The Tester produces a simulated trigger signal that fires the ignition just as if the engine was running. a special, load producing clip on spark plug is included to connect to the coil wire. If the spark is unable to jump the gap of the tester, there is an ignition problem and