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1987 Ford F 250 Questions & Answers
My 1987 f250 won't start
solenoid in the starter motor is failing or the motor itself is, will need replacing. can damage the battery and or the high volts cable.
I have a 1985 F150
There is no power to a solenoid. The small ignition wire simply energizes a plunger so there is contact between the larger battery cables. (assuming that is still the remote mounted solenoid. Still basically the same thing with a starter mounted solenoid).
A weak battery can kill a starter/solenoid. Have it tested.
If you can get your hands on an inductive type ammeter you can also check on the current draw of the starter. Testing a starter on a bench when its free and not turning a motor does not much good.
Also make sure you have good power to the small wire that energizes the solenoid. Normally it should not drop bellow 10 volts while cranking. If it is then perhaps your ignition switch has some resistance.
I have a F250 lariat
Some possible causes could be:
Vacuum leaks cause an engine to run lean witch can cause the vehicle to stall when put into gear.
Improper base idle adjustment can cause the vehicle to stall when shifted into drive or reverse
A malfunctioning or damaged carburetor can cause the vehicle to stall when shifted into drive or reverse
Improper ignition timing can cause the vehicle to stall when shifted into drive or reverse.
A malfunctioning or damaged transmission or torque converter can cause the vehicle to stall when shifted into drive or reverse
1996 chevy 2500 6.9 will not start even with starting fluid
This problem shows 2 different Brand trucks. As a low cost effort, you might try a new Ignition switch. Diesel engines need a different wiring impulse since the engine does not fire a sparkplug.
This also means a different wiring sequence is used to shut them off. Could be shut-off device is stuck is in shut-off position and not resetting with ignition keyswitch.
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