Electric Assist Choke: Testing
- Disconnect stator lead from choke cap terminal and connect one lead of a test light. Ground other lead of test light, light should glow with engine running. If light does not glow, check alternator output and choke wire for open circuit.
- If light glows, disconnect test lead from ground and connect it to the choke lead connector. With engine warm and coolant flowing, test light should glow. If not choke unit is defective and should be replaced.
- If choke electric system passed these tests, stop engine and remove test light. Disconnect water hoses from choke housing and connect a Choke Tester (Rotunda LRE-34618) to one of the choke housing hoses. Cool choke housing until bimetal closes the choke plate lightly in carburetor air horn. Throttle plate should be 1/4 open during tests.
- If choke plate is not lightly closed after five minutes, tap lightly and continue. If choke plate does not close in 10 minutes, check for binding and correct as required.
- Using suitable ohmmeter, check continuity between choke cap terminal and ground at the choke bimetal housing. The resistance should be within specifications, if not repeat electric continuity check with new choke cap and correct as required.
CHOKE SPECIFICATIONS
| Application | Resistance (Ohms) |
|---|---|
| 2300 cc Engine | 1.5-3.5 |
| 2800 cc Engine | .8-4.0 |