TM 5-2420-231-23-1
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Table 1. Engine Grid Heater Indicator Fault - Continued.
028
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Using a digital multimeter, mea-
Resistance 11 to 16 Ohms - Proceed
Engine Grid Heater Indicator
sure resistance between instru-
to Test Step 3.
Fault - Continued
ment cluster (WP 0007, Figure 29)
Resistance Greater Than 16 Ohms -
terminals 16 and 36. Resistance
Replace engine grid heater indicator
should be 11 to 16 ohms.
bulb on instrument cluster (WP 0177).
Proceed to Test Step 9.
Test Step 3. Check for Shorted Side
Console Wiring Harness.
1. Remove air cleaner barrier curtain
(Figure 3, Item 1) (WP 0099).
Figure 3. Air Cleaner Barrier Curtain.
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