Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY1982COLONY PARK V8-302 5.0L VIN F 2-BBLREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSANTITHEFT DEVICES - INSTALLATION PRECAUTIONS
1982 Mercury Colony Park V8-302 5.0L VIN F 2-bbl
Antitheft Devices - Installation Precautions
1982 Mercury Colony Park V8-302 5.0L VIN F 2-bblSECTION Antitheft Devices - Installation Precautions
86ford23 Article No. 86-3-9
ANTI-THEFT DEVICES (AFTER MARKET) - INSTALLATION/ OPERATING PRECAUTIONS ON VEHICLES EQUIPPED WITH ELECTRONIC ENGINE CONTROLS (EEC)
FORD 1978-86 ALL
LINCOLN-MERCURY 1978-86 ALL
LIGHT TRUCK 1981-86 ALL
NOTE: This article is being republished in its entirety to include 1986 models.
Installation of "AfterMarket" anti-theft devices such as fuel shutoff and ignition defeating devices may cause no starts, hard starting, stalls, or damage to vehicle components on Ford vehicles equipped with electronic engine controls. Possible damage caused by these devices can result from the following situations:
1. Fuel shutoff devices - Attempting to start the vehicle without disarming this device may cause the fuel injectors to run dry and overheat, which will lead to failure of the injectors.
2. Ignition defeating devices which ground the ignition/tachometer lead - Attempting to start the vehicle without disarming may result in ignition coil failure.
In addition, care must be taken when routing underhood after market wiring (see Figure 13 for proper precautions), in order to avoid electromagnetic interference with electronic engine controls. The following precautions must be observed:
1. Ignition tach signal wiring must not be randomly routed through the engine compartment.
2. Add-on wiring must not run parallel to secondary (plug) ignition wires.
3. EEC wiring harness (12A581) must not be altered or cut or rerouted.
Failure to observe these warnings may result in damage to vehicle components or drive deterioration.
OTHER APPLICABLE ARTICLES: Supersedes 85-7-8
WARRANTY STATUS: "INFORMATION ONLY"
ANTI-THEFT DEVICES (AFTER MARKET) - INSTALLATION/ OPERATING PRECAUTIONS ON VEHICLES EQUIPPED WITH ELECTRONIC ENGINE CONTROLS (EEC)
FORD 1978-86 ALL
LINCOLN-MERCURY 1978-86 ALL
LIGHT TRUCK 1981-86 ALL
NOTE: This article is being republished in its entirety to include 1986 models.
Installation of "AfterMarket" anti-theft devices such as fuel shutoff and ignition defeating devices may cause no starts, hard starting, stalls, or damage to vehicle components on Ford vehicles equipped with electronic engine controls. Possible damage caused by these devices can result from the following situations:
1. Fuel shutoff devices - Attempting to start the vehicle without disarming this device may cause the fuel injectors to run dry and overheat, which will lead to failure of the injectors.
2. Ignition defeating devices which ground the ignition/tachometer lead - Attempting to start the vehicle without disarming may result in ignition coil failure.
Figure 13:
In addition, care must be taken when routing underhood after market wiring (see Figure 13 for proper precautions), in order to avoid electromagnetic interference with electronic engine controls. The following precautions must be observed:
1. Ignition tach signal wiring must not be randomly routed through the engine compartment.
2. Add-on wiring must not run parallel to secondary (plug) ignition wires.
3. EEC wiring harness (12A581) must not be altered or cut or rerouted.
Failure to observe these warnings may result in damage to vehicle components or drive deterioration.
OTHER APPLICABLE ARTICLES: Supersedes 85-7-8
WARRANTY STATUS: "INFORMATION ONLY"
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.