(d) Ground the connector of the sender gauge with the connector disconnected. (e) Check that the top segment flashes with the ignition switch at ON position. 2. INSPECT SENDER GAUGE OPERATION Inspect the resistance between the terminals of the sender gauge and body ground. Resistance: 192 — 320 Ω 50°C (122°F) 65 — 89 Ω 80°C (176°F)