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 WINDOW, 5.0 NREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTWIPER/WASHER SYSTEMSTESTINGWIPER MOTOR CURRENT DRAW"E" SERIES
1987 Ford Econoline E150, Van Window, 5.0 N
"E" Series
1987 Ford Econoline E150, Van Window, 5.0 NSECTION "E" Series
- Disconnect linkage from motor. Install Connector Sleeves (C4AZ-14294-B) between motor terminals and volt-amp meter. Connect positive (Red) lead of meter to center terminal on motor end plate, and Green lead of meter to battery positive post.
- Connect a jumper wire between battery negative post to low speed terminal on motor end plate. Check and record current draw. Move jumper wire from low speed terminal to high speed terminal. Measure and record current draw.
- Maximum allowable current draw for either speed is 3.5 amps. If current draw exceeds maximum, check output arm for binding or damage before replacing motor. See Fig 1 .
RENDER: 1.0x
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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.