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

Main Relay (Computer/Fuel System): Testing and Inspection

1. Use and ohmeter to measure between the B+ terminal (single wire) to the terminals in the other connetor (two wire). Resistance should be 2 Ohms for either circuit.

2. If either circuit fails replace the resistor.