Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Ground Circuits
1991 Ford Cutaway 5.8 H, C6SECTION Ground Circuits
- Using a DVOM, check for continuity to ground on ECA terminals No. 40 and 60. See Figure. Resistance should be zero ohms. If resistance is not zero ohms, repair open to ground.
- Using a voltmeter, touch negative lead of voltmeter to a good ground. Touch positive lead of voltmeter to each ground terminal. With vehicle running, the voltmeter should indicate less than one volt. If voltmeter reading is greater than one volt or more, check for open, corrosion or loose connection on ground lead.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.