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94 Jeep GC blower runs then quits. Conected directly to battery blower runs fine. When it quits there is 12V on red to battery ground directly but no volts to black. Black to ground open. Why?
Wiki User
∙ 15y ago
Problem solved: Bought a used heater control, installed it in minutes, and all is well.
Wiki User
∙ 15y ago
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On a 1990 Chevy astro how do you check the blower motor to see if it is bad?
The most conclusive test of a blower motor is to run a wire from the battery directly to the motor, being careful not to ground the wire out anywhere by accident. If the motor will not run when wired directly to the battery, it is probably bad.
What cords do CB radios usually use to get their power from and what can you connect it to?
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How can you check to see if the heater blower is bad on a 1999 grand prix?
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How to fix Heater blower on 1987 Chevrolet celebrity?
You can check the blower motor by unplugging the wire harness and connecting a jumper wire directly from the battery positive terminal to the blower motor. Be very careful to avoid touching the jumper wire to ground to avoid arcing. If the blower motor runs then there may be a blown fuse, bad resistor pack, wiring issues or bad switch.
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Use a jumper wire from the battery + (pos) terminal to the positive on the blower motor, and run a - (Ground) wire from ground on the motor, to chassis or frame.
What happens when any phase conected to ground?
You get a short circuit.
Where is the engine Ground wire for 1973 corvette?
From the battery to frame directly under the battery box. From the frame to the engine at the motor mounts with a short ground cable. Usually on the drivers side.
How do you change a Blower Motor on a 1990 Buick Century?
Disconnect battery ground cable. Disconnect blower motor electrical connections. Remove blower motor attaching screws, then blower motor. On models with A/C it may be necessary to dismount alternator and move away from module. Reverse procedure to install.
In a HEI distributor what make a module go bad?
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Where is the positive or negative lead and the ground on a CB radio?
To get a positive you can go straight from the battery or the fuse box. To ground the CB you should ground it to the body being sure you have a connection to bare metal. A better way is to run a cable, along withe the positive side, directly to the battery. If you run power or ground to the fuse box and a short occurs, you may knock out important systems on the vehicle. Best go directly to the battery, with in-line fuses on both sides of the line.
Removing heater blower motor on a 1988 dodge dynasty?
Disconnect the battery. Remove the glove box to instrument panel screws. Disconnect the power and ground wires from the blower.. Remove the recirculating door actuator, the seven screws and then remove the complete recirculating housing.. Remove the three blower motor attaching screws.. Remove the blower motor...
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To change out the blower motor in this car disconnect the battery ground and then carefully remove the long plastic cover that is mounted in the engine compartment at the top of the firewall. The blower motor is easily accessed as is the resistor board below it for the lower fan speed selections.
