New Yorker check engine light questions:

This New Yorker check engine light problem is for my cousin’s 1992 New Yorker digital gauges lights that were coming on and off. When it is off, I can turn the ignition switch slightly to start position and the lights would suddenly come back. While I was inspecting the ignition switch, 2 terminal pins showed burnt heated colors. I then proceeded to replace the ignition switch and to my surprise, the same terminals were burnt afterwards. What could cause this problem? Do I need a new instrument cluster assembly?

New Yorker check engine light ATS Fixes:

To diagnose your New Yorker check engine light problem, you need a wiring diagram of your digital dash instrument panel. You can locate the ground wires of the instrument panel and measure the voltages. When you verify the ground voltages, turn the key on but do not start the engine. Using a digital voltmeter, make sure the maximum reading should be 0.250 volt. Any voltage readings higher than this indicates a short in the ground circuits of the instrument panel. Next, measure the positive and negative BUS terminal voltage reading again with key on and engine off. Maximum reading should be 2.5 volt. If higher than this, unplug all the panel loads one by one until either the ground or bus terminal voltage are within the suggested range. Here are some modules you can unplug to test the voltages: abs module, cruise control module, light module, etc. If none of them will change either the ground or BUS terminal voltage reading, it is definite sign that you need a new instrument panel.

ATS Tips:

If you need an online mechanic assistance in fixing this New Yorker check engine light problem, please contact ATS. We also provides any wiring diagrams and step by step assistance 7 days a week.

Before you do the above repairs, contact ATS so we can check the service bulletins for this particular vehicle. Sometimes, a body control module (BCM) lock up occurs on this unit which requires installing of new updated BCM relays. On another fix I saw in ATS common fixes, some garages found the culprit from a bad ground connections under the dash panel.

Thanks!