Gm Hei Coil Wiring Terminals


Gm Hei Coil Wiring Terminals - Connect the White wire on the magnetic pickup coil to the [W] terminal on the module. Connect the Black wire on the magnetic pickup coil to the [ G ] terminal on the module. NOTE: Due to electrical polarity of certain magnetic pickup coils, it may be necessary to connect these two wires one way or the other so the engine will accelerate.. We wired the HEI module and coil according to the schematic, grounded the steel plate, the HEI mounting plate, and the distributor all to a 12-volt battery, and spun the distributor to create a hot spark right off the coil wire.. Using a pair of needle nose pliers, remove the coil wire spade terminals from the cap. If the cap was removed, you may also use a blunt drift to press the coil wire spade terminals up out of.

HEI Conversions By Al Campion, AutoReWire.com So you have decided to convert to an HEI distributor. Here is the long and short of it. The short of it: Just remove the existing point distributor and coil and install the new HEI distributor.. Chevy HEI Ignition System Kit; Small Block Chevy Includes: MSD Pro-Billet Distributor 121-8365 ; JEGS Billet Distributor Hold-Down Clamp 555-40620. I left the two wire connected to hei module. placed spark testor between coil and distributor, cranked engine, No spark. then placed spark testor between #1 plug and #1 wire, cranked engine, no spark. Replaced ign/tach plug, unplugged two wire from distributor, voltage reading= 11.89..

The GM HEI distributor's springs can be replaced with three different weights of springs that, in effect, allow the advance at lower rpm. The ignition coil is housed in the distributor cap, which makes the GM HEI distributor a very efficient, self-contained unit.. based on the GM HEI module will allow you to get a Notes on wiring for a "points" distributor; There are normally two wires on the "+" terminal on the coil. One is the "resistance" power wire. The other is a wire that supplies power from the starter This wire goes to the terminal marked "BAT" or “B+” on the distribu-tor cap. I’m. The factory position of the #1 terminal on HEI distributors in Chevy V8 engines is the 2nd terminal away (going clockwise) from the "snout" on the side of the cap. Install the new HEI cap, coil, and coil cover. Plug the 3-wire connector from the distributor body into the "snout" on the side of the distributor cap. Plug your new +12V.

ule has only four terminals) with the coil built into the cap. If you have a separate ignition coil, the Verify power supply to HEI. Disconnect the power wire to the ignition coil. If the coil is built into the distributor cap, this wire will plug into the cap, at the "BAT" or "B+" terminal. Probe the connector on the power wire with the. General Motors engine compartment connectors. Replaces existing original equipment electrical connectors, sockets, and harnesses.. Ignition Coil Small Cap HEI Connector Pigtail - Black for GM TBI TPI LT1 and other Small Cap HEI systems. TPI, and early LT1 coils. Only one wire is used with early LT1 applications. Associated Items. Part # Description Min Qty Price Qty; 100-00445: Ignition Coil Small Cap HEI Connector Pigtail - Gray for GM TBI TPI LT1 and other Small Cap.

Notes on wiring for an "HEI" distributor with the coil in the cap; If you are converting from a points type distributor, you have to make sure that the "resistance" power wire is bypassed! It's best to just run a new 12-guage wire from the fuse block.. The HEI also had a built-in coil, which made installation and wiring a snap. Moreover, the HEI module’s expanding dwell function meant that up to about 3,000 rpm, the coil’s saturation time.

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