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Battery dropped from 14.5v to 12.5v idling for a few minutes after these reading were taken. I was hesitant to drive it around if it was overcharging.

Changed the voltage regulator out for a R296. Now it's still not charging the battery but my voltage readings at the alternator have changed and the ammeter goes from normal to very high at the slightest increase in rpm. Other bulbs such as cluster & headlights also get brighter with rpm when...

Is there supposed to be a grounding wire at the VR or does it just ground to the firewall? Mine was made with a plastic coating but I don't see where a wire would connect. Other than a small corner of the plastic that has peeled off and the bolt holes I'm not seeing how it would be grounded.

Checked the 2 smaller terminals. Both read the same 10.4v Car immediately dies when I remove negative battery terminal.

Thanks for the reply and info. I checked the voltage of the wires going in and out at the regulator with the car running an everything plugged in. One side was slightly lower than the other but both were in the 11.5 - 12v range. From what I could find online this indicated the regulator was...

Grey and black are part of crackedback's wire mod and have voltage when headlights are on. . 2 wires to the right have voltage while car is running. I tested the wire going and and out of the regulator while the car was running and found voltage on both sides. It's loose now but seems...

Car was operating fine, but now does not charge battery. 3 wires coming off alternator. 2 Have voltage when car is running. 3rd has voltage when lights are on. "Using crackedbacks wiring mod if that makes a difference" 2. Voltage regulator on firewall test ok. 3. Small silver block with...

Both of these are common issues with these cars. Coolant Sensor: Remove the wire at the sensor on the intake manifold and ground it to the block. It should peg the gauge. If it does your sensor is the culprit. If it doesn't follow the wire back to the gauge looking for any damage. Fuel Level...

fwiw The wiring upgrade crackedback sells improved my sealed beams to a point I can't really see the point in trying to upgrade them. They are similar if not brighter than my modern vehicles. And I can get a cheap replacement at any auto parts store should one burn out.

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