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.
1995 Jeep Wrangler S, AutomaticFACTORY OEM SERVICE PROCEDURE
Current Output Test
- Ensure battery is charged. Turn ignition off. Disconnect negative battery cable. Connect a 0-150 amp DC ammeter and a voltmeter to vehicle charging system. See Fig 2 and Fig 3 .
- Connect a carbon pile rheostat between battery terminals. Ensure carbon pile is in OFF position before connecting leads.CAUTION: Generator has 2 field terminals. In step 3), DO NOT connect jumper wire to generator field terminal Dark Green/Orange wire (Dark Green/Black wire on Grand Cherokee).
- Connect one end of jumper wire to ground and other end to generator field terminal Dark Green wire on rear side of generator. See Fig 1 . Connect negative battery cable.
- Start engine and reduce engine speed to idle. Adjust carbon pile and engine speed until engine speed is 1250 RPM and voltmeter reads 15 volts. DO NOT allow voltage to read greater than 16 volts.
- Ammeter should read within 10 amps of rating listed on back of generator. If reading is not as specified, replace generator. Remove all test equipment.
Factory Service Tools
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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.