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1989 Jeep Wagoneer, SPOUT Waveform
Posted to the Waveform Library on 10/31/2001

Well, this is the one I was having a problem getting on my no start, even replaced a ECM 2x. Lost this with a bad connection at splices inside wiring harness under the coolant resevoir.

This is described as a 5v square wave with the ICM triggering off the le...

 

car Vehicle Data

1989 Jeep Wagoneer Limited 4.0L

VIN 1J4FT58L7K
Engine4.0 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionUnknown

car Vehicle Data

1989 Jeep Wagoneer Limited 4.0L

VIN 1J4FT58L7K
Engine4.0 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionUnknown