Technician A says the test results indicate that the battery may be defective and should be tested. This is where the positive battery cable is attached to. The starter system is simple, and the checks on it are straightforward. Usually for a four cylinder starter the current draw will be about 120 amps. • Starter amp draw will be high until the starter motor reaches maximum RPM • Cranking longer than 10 or 15 seconds will overheat the starter • Starter motors that crank slowly lead to starter … If the starter does not turn the engine although the car battery is in good condition, the fault may be a simple mechanical one or it may be an electrical one in the starter-motor circuit. So you've done nothing but cost yourself a lot of time & money. 1990 Dodge Grand Caravan, 3.3L Three weeks ago, I had the starter rebuilt locally by a shop I’ve used confidently for years, most of their business is rebuilds like this. answer choices . And no: a 92hp 4-cyl. This circuit is represented by the number 1 in the photo. The voltage drop test will tell us if the starter motor is receiving the full amount of voltage and amperage to turn over the engine. The specifications for the maximum current draw are 180 amps. The starter on your car's health is directly related to how many amps it pulls from the battery. The starter voltage drop should be less than .5V drop total on cranking circuit. Gear reduction starters will draw … Also depends entirely on the starters nominal power rating: eg, the 12v Toyota/Jeep starter is rated 12KW (1200 watts) for "typical" operation. A known-bad battery cable can test perfectly good using an ohmmeter, but not be able to carry enough electricity (amperage) to a starter while cranking. In this TEST 3 we're gonna' voltage drop test the power circuit of the starter solenoid. Check all your cables for loose/corroded ends and clean and tighten all connections and grounds at your batteries, starter, and frame. Besides a substantial coating of oil on the starter which was no benefit to the contacts, the tech also found a broken insulator which presumably was the primary issue. The inductive ammeter starter gauge is very useful for measuring starter current draw. If the load test fails, then individually test each battery and replace any faulty ones. Electrical checks are made with a circuit tester or test lamp or with a voltmeter. This video will show you how to use a multimeter to check volts going from the battery to the starter, and use an amp meter (don't use the multimeter for this part!) Have the batteries tested with a digital tester (Some auto parts stores will test them for free for you). The other test is to determine the starter's torque when the armature is stalled. There's no point fusing a circuit that's supposed to draw over 200A - especially on an antique. A six or eight cylinder will draw up to about 250 amps. Higher compression engines will draw more current. Same for the truck - … to check the amps at the starter. These test results must be compared to published specifications. What are you using to measure the amperage draw? Starter current depends entirely on load (test): no-load (free spinning on the bench) draws the least, stalled (prevented from turning) draws massive quantities. STEP 2 - Perform a voltage drop test: Once batteries pass muster, then perform a voltage drop test on the starter main cables. Current draw—363 amps. tractor starter doesn't draw 500A; it probably doesn't draw 150A, and it's still not worth fusing. During a starter current-draw test the following results were noted: Voltage—9.4 volts. Cable is attached to loose/corroded ends and clean and tighten all connections and grounds at your batteries,,. Are 180 starter draw test time & money and it 's still not worth fusing says... Free for you ) maximum current draw technician a says the test results must be to. 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