Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Speed Limit Switch, Checking

Checking Speed Limit Switch

Note:
Speed limit switch is used only on California vehicles.
Switch limits full throttle enrichment unless engine speed is greater that 3000 rpm.

Work sequence

- Connect positive lead (+) of voltmeter to switch terminal 8 and negative lead (-) to switch terminal 6
- Start engine and accelerate to approx. 3000 rpm
Voltmeter must indicate battery voltage

If NO, replace speed limit switch