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.
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HOMESERVICE MANUALSFORD1987ECONOLINE E150, VAN CARGO EXTENDED, 5.0 NREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSDOOR LOCKS - POWERTESTINGRELAYS
1987 Ford Econoline E150, Van Cargo Extended, 5.0 N
Door Locks - Power: Testing: Relays
1987 Ford Econoline E150, Van Cargo Extended, 5.0 NSECTION Relays
- Remove both relay connectors. Relays are located on lower left side of instrument panel reinforcement. Make sure that terminal No. 1 of relay is grounded. If not, check relay case-to-ground screws for tightness.
- If screws are tight, replace relay. With a test light connected between terminals No. 1 and 2, apply power to terminals No. 2 and 4 of each relay. See Fig 1 . Do not leave light connected for more than 2 minutes. Test light should light. If not, replace relay.
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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.