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Ford F53 RV Chassis: All Headlights Out - Complete Diagnosis & Repair
Electrical Medium 1-2 hours 101 👍

Ford F53 RV Chassis: All Headlights Out - Complete Diagnosis & Repair

Pulled out my multimeter on this dead F53 headlight situation and I'm getting 12.4V at the relay when every Ford manual says it should read 12.6V. My 1999 Mountain High Pinnacle Class A with 76,000 miles on a Ford F-53 chassis has me stumped - ALL four headlights (both high and low beams) just went completely dead, but here's the weird part: every single other light works perfectly. Taillights, brake lights, turn signals, markers - they're all fine.

When the headlight switch is on, there are no headlights at all, and the blue high beam indicator remains constantly lit. I noticed a strange clicking sound from under the hood about every 20-25 seconds, which continued even after disconnecting the coach and chassis batteries.

I've already replaced the headlight switch thinking that was the culprit, but the same problem persists. No headlights whatsoever when I flip the switch, whether I'm on high or low beam. I'm starting to think it might be the combination switch or maybe a relay with a potential dead short, but I don't want to start throwing parts at this thing without some guidance.

Has anyone dealt with this exact scenario on a late 90s Ford chassis? What should I be checking first? I really need to get this sorted out before my next trip. …more
How to Release Stuck RV Emergency Brakes After Long Storage: Rescue Your 1990 Pinnacle
Engine Hard Professional service 75 👍

How to Release Stuck RV Emergency Brakes After Long Storage: Rescue Your 1990 Pinnacle

Nobody warned me that parking my 1990 Pinnacle 30' Class A with grabbing brakes 24 years ago would leave the emergency brakes completely seized. Now it's sunk into the ground and I can't even get underneath to try disconnecting anything.

I'm afraid to force anything or use the wrong approach - could I make the brake problem worse? What's typically wrong after this many years of sitting, and is there any safe way to try releasing stuck emergency brakes myself? I'm concerned about what other brake components might need attention before this RV could ever be roadworthy again. …more
Robert, RV Mechanic
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