Mallory HYFIRE IVC - User Manual

1
®
HYFIRE
®
IV SERIES OF ELECTRONIC
IGNITION CONTROLS
HYFIRE
®
IVC Ignition System Part No. 692, Universal
HYFIRE
®
IVA Ignition System Part No. 697, Universal
For applications triggered by points, Mallory Electronic Ignition Distributor (all models), original equipment electronic
ignition amplifiers and magnetic trigger pulses (magnetic pickup distributor or crank trigger ignition). Optional adapters
are available for easy connection to early model Delco/GM HEI Systems, late model GM HEI/EST Systems, Ford TFI
Systems, and OEM magnetic pickup (non-computer; Ford DuraSpark, GM HEI and Mopar/Chrysler Electronic Systems).
This product is legal to sell, distribute or install on vehicles in California. C.A.R.B. Executive Order D-70-26.
NOTE: Mallory HYFIRE
®
IV Electronic Ignition Controls are not compatible with distributorless systems or positive
ground applications. The RPM Limiter in the HYFIRE
®
IVC (Part No. 692) will not work properly with odd-fire or semi-
even fire V6 applications.
General Information ..............................................................................2
Ignition Ballast Resistor/Loom Resistance Wire ...........................2
Standard Ignition Bypass (Bypass Connector) .............................2
Ignition Coils ...................................................................................2
Fuel Injection ...................................................................................2
Spark Plug Wires.............................................................................2
Spark Plug Gaps .............................................................................2
Electric Welding ..............................................................................2
External RPM Limiters
Mallory PRO TACH
®
I, IV and VI ......................................................2
HYFIRE
®
IVC Ignition System  4 and 6 Cylinder Operation ...............2
Mounting Procedure .............................................................................2
Mounting to a Flat Surface Without Mounting Brackets ...............2
Mounting to a Flat or Uneven Surface
Using Mounting Brackets .........................................................2
Mounting to a Flat Surface with Shock Mounts .............................2
Wiring Procedure ..................................................................................3
Wiring Method using Adapters and Harnesses .............................3
GM HEI Systems/coil-in-cap with OEM module) .................. 3-4
Late Model GM HEI/EST Systems (external coil) ................. 3-5
Ford TFI Systems ........................................................................4, 6
Ford DuraSpark Systems (non-computer type,
without module) .................................................................... 5-6
Early Model GM HEI Systems (non-computer type,
without module) ....................................................................6, 8
Mopar/Chrysler Corp. Electronic Systems
(non-computer type, without module)..................................6, 9
Wiring Method Without Adapters .........................................................7
Breaker Point Systems ...............................................................7, 9
Mallory Electronic Ignition, UNILITE
®
Distributors,
Magnetic Breakerless Distributors or Electronic
Advance Distributors (3-wire/red, brown, green) ...............7, 10
For OEM Electronic Systems with modules/amplifiers
(Chrysler, Ford, and import) ...............................................7, 10
Magnetic Pickup Trigger Pulses (magnetic
pickup distributors or crank trigger ignition) ..........................7, 10
RPM Limiter Operation  HYFIRE
®
IVC Ignition System
(PN 692 only) .................................................................................11
Optional Ignition Accessories ............................................................11
Bypass Connector..............................................................................12
Mounting Template ............................................................................12
CONTENTS
Parts included in this kit:
1 HYFIRE
®
IV Electronic Ignition Control - Part No. 692 or 697
1 Ignition Control Harness - Part No. 29348
2 Terminal Connectors - Part No. 450
1 Bypass Connector
4 Cable Ties
2 Spade Terminals
8 Ring Terminals, 1/4"
1 Ring Terminal, 3/8"
5 Spade Receptacle Terminals
4 Mounting Brackets
4 #10 Sheet Metal Screws
INSTALLATION INSTRUCTIONS
FORM 1351 (REV. E) 10/99

Summary

HYFIRE IV Series of Electronic Ignition Controls

HYFIRE IVc Ignition System

Details for the HYFIRE® IVc Ignition System, Part No. 692, Universal.

HYFIRE IVA Ignition System

Details for the HYFIRE® IVA Ignition System, Part No. 697, Universal.

General Information

HYFIRE IVC Ignition System 4 and 6 Cylinder Operation

Setting the cylinder configuration switch for HYFIRE® IVC systems before mounting.

Mounting Procedure

Mounting to a Flat Surface Without Brackets

Method for attaching the unit to a flat surface using screws and template.

Mounting to a Flat or Uneven Surface Using Brackets

Using mounting brackets for installation on various surfaces with screws.

Mounting to a Flat Surface With Shock Mounts

Utilizing shock mounts for vibration isolation during mounting.

Wiring Procedure

Wiring Method Using Adapters and Harnesses

Connecting the system using specific adapter harnesses for various vehicles.

Wiring Method Without Adapters

Direct wiring methods for different ignition systems without adapters.

Wiring Method for Magnetic Pickup Trigger Pulses

Connecting the system to magnetic pickup distributors or crank trigger ignition.

RPM Limiter Operation

HYFIRE IVC Ignition System RPM Limiter Settings

How to set the engine protection and staging RPM limiters on the IVC system.

Optional Ignition Accessories

Single Stage High Speed Retard

Adjustable ignition timing retard control for enhanced performance.

Multi Stage High Speed Retard

Multi-stage ignition timing retard control for advanced tuning.

Mallory Electronic Advance Computer

Programmable advance curve system for engine tuning.

Mallory Remote Timing Control

Allows on-the-fly ignition timing adjustment for optimal performance.

Mallory RPM Activated Switch

Programmable switch triggered by RPM for various circuit operations.

Mallory Fuel Injection and Tachometer Adapter

Provides necessary signals for fuel injection and tachometer operation.

Mallory HYFIRE IVC Specifications

General

Brand	Mallory
Model	HYFIRE IVC
Category	Control Unit
Language	English