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1989 Cadillac Eldorado, Ignition - Primary Waveform
EST signal with ground pulled to -1 volt due to high ground resistance in battery cable where mounts to block. Ground sourced at battery ground and positive at EST connector by distributor.
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| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
Vehicle Data
1989 Cadillac Eldorado 4.5L
| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
Video