trouble shooting & rebuilding HEI ignitions | Grumpys Performance Garage [ IMG]Gm Hei Wiring Voltage Regulator - The 7 Pin HEI Module. With a GM HEI 7-pin (and 8-pin modules), the ignition module wires you need to know about are: tach signal is a purple wire with a white trace [pin R] goes to Ampseal OPTOIN+ pin #30 (ground the Ampseal OPTOIN- pin #31 at the distributor) ; advance control signal is a white wire [pin E] goes to Ampseal pin #12; override (cranking) signal is a tan wire with a black trace. General Motors HEI Ignition Control with MegaSquirt-II. There were a number of different kinds of General Motors HEI modules: 4 pin module - electronic ignition, but doesn't do computer timing control, top left; 7 pin module (large) - electronic module that does timing control, used with coil-in-cap distributors, top right; 7 pin module (small) - electronic module that does timing control. 36. All Items with QT, KT, GT or PT Suffix are Clam Shell Program Items. Pigtails - Two Lead #5439C (#5439PT) Universal 2-Wire Relay Heater-A/C-Wipers.
HEI Conversions. Finding an HEI Distributor. There are a couple of choices here, new or used. In addition, here are a few things to note: '75 to '79 ('75 to '85 Canadian) used 4-pin modules.. So your ready to wire up an HEI? Heres the summary in a nutshell; Replace the resistance wire that ran to your points system, from the fuseblock, with a 12guage wire (pink insulated if you want to remain factory compliant) and hook it up to the HEI "BAT" terminal.. CAMARO WIRING INFO. I ocasionally come across information on electrical improvements and other mods done to Camaros. I will add to this page as I get them..
The spark duration can already range from 0 to 25.5 milliseconds. The GM HEI module provides a 'distributor-like' signal to MegaSquirt, so the missing tooth settings should not be used.. This is a diagram of a high-end audio system. While it might not be typical of the wiring you will encounter in your street rod or race car, it does illustrate how a well laid-out wiring diagram should look.. This Tech Section has grown rather long and takes too much time to load. So, it was split into TWO PAGES, each page with the same index. Some content CAN be on the OTHER page and you will be directed back and forth transparently, as required..
Apr 16, 2008 · I remove the rotor, advance weights and springs. Move the mechanical advance mechanism so its in the full advanced position. Using two plastic electrical tie wraps, bind the mechanism locked fully advanced.. MSD Ignition 8360 Details Chevy. Upgrade outdated points distributors or bulky HEIs with this MSD Pro-Billet Ready-to-Run distributor for positive street performance.. Free Shipping! This universal 350 engine uses a brand new block and can be a replacement in most 1973-85 GM vehicles and retrofitted into virtually any vehicle..
Injector and Power Wiring. Your MicroSquirt® controller requires a 12V power source (normally the vehicle's battery/alternator system). The main supply for your MicroSquirt® controller is through Ampseal connector pin#1 (red wire).. When the mode switch is closed, auto mode will be used, regardless of what you do with the shift buttons. If the mode switch is open, pushing either the upshift button or downshift button will put you in manual mode (and pushing both OR switching the mode select switch to.
Viewing A Thread And Wiring Diagram For Electronic Distributor 13 ... Viewing A Thread And Wiring Diagram For Electronic Distributor 13 Mopar Ignition Conversion Hei 9
Small 4 Pin Wiring Diagram Chevy Hei Distributor Cap - Simple Wiring ... Chevy Hei Distributor Wire Simple Electrical Wiring Diagram Small 4 Pin Wiring Diagram Chevy Hei Distributor Cap
Wiring Diagram For Joe Hunt HEI Distributor Alkydigger Within Hei ... Wiring Diagram In Addition Small Cap Gm Hei Throughout Distributor