"No Start" Due To Solid Core Ignition Wires (NIS0409AP)

Publication date: 1995-03-01
Reference number: NIS0409AP

"NO START" DUE TO SOLID CORE IGNITION WIRES

TECHNICAL INFORMATION TIP

Reference Number(s): NIS0409AP, Date of Issue: March, 1995

NO START DUE TO SOLID CORE IGNITION WIRES

YEAR(S): 1987

MANUFACTURER: Nissan

MODEL(S): Sentra

DATE OF ISSUE: March, 1995

ISSUE & TIP

A 1987 Nissan Sentra was towed into my shop after three other shops had tried to figure out why it would not run. A new distributor, carburetor, and ECU had all been installed, all to no avail. Each attempt to start the engine would result in a few ignition spark outputs and then nothing. The ECU would quit pulsing the power transistor after a few pulses.

We had eliminated voltage spike-producing solenoids and tested transistors, etc. before noticing that the customer had installed solid core ignition wires. The coil wire was inducing 20 volts into the ECU and causing it to shutdown. Replacing the wires corrected the problem.

Courtesy of Import Service Magazine

with thanks to:

Tom Finneran

Tom Finneran's Auto Service

Rialto, California

REFERENCE NUMBER

NIS0409AP

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