Ballast Resistor Replacement at your home or office.

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How much does Ballast Resistor Replacement cost?

It depends on the type of car you drive and the auto repair shop you go to. Our mechanics are mobile, which means they don't have the overhead that repair shops have. They provide you convenience by coming to your home or office.

YourMechanic Price
$78 to $186
Labor: $70 - $80
Parts: $8 - $106
Average dealer price
$110 to $304
Average shop price
$94 to $215
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Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
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ServiceYourMechanic PriceShop/Dealer Price
Ballast Resistor Replacement for 1990 Dodge Dakota L4-2.5LYourMechanic Price$80.36Shop/Dealer Price$97.46 - $116.12
Ballast Resistor Replacement for 1988 Dodge B250 V6-3.9LYourMechanic Price$80.16Shop/Dealer Price$97.29 - $115.86
Ballast Resistor Replacement for 1986 Dodge B250 V8-5.9LYourMechanic Price$80.16Shop/Dealer Price$97.25 - $115.78
Ballast Resistor Replacement for 1995 Mercedes-Benz S600 V12-6.0LYourMechanic Price$118.33Shop/Dealer Price$155.90 - $211.26
Ballast Resistor Replacement for 1988 Ford LTD Crown Victoria V8-5.8LYourMechanic Price$107.34Shop/Dealer Price$131.20 - $170.11
Ballast Resistor Replacement for 1988 Dodge B250 V8-5.9LYourMechanic Price$80.36Shop/Dealer Price$97.46 - $116.11
Ballast Resistor Replacement for 1983 Mercury Lynx L4-1.6LYourMechanic Price$107.51Shop/Dealer Price$131.49 - $170.58
Ballast Resistor Replacement for 1988 Lincoln Mark VII V8-5.0LYourMechanic Price$106.65Shop/Dealer Price$141.33 - $187.96
Show example Ballast Resistor Replacement prices

Ballast Resistor Replacement Service

What is the Ballast Resistor all about?

Modern ignition systems use electronic circuitry to control voltage during engine starting and operation, but it wasn’t always this way. Older vehicles with points and coils did not have the benefit of circuit boards and computers, so another way to control voltage was needed. The ballast resistor coil was the solution. Think of it as a giant fuse in a way, although it serves a much greater purpose.

The ballast resistor coil plays several roles in your engine and charging system. In terms of position, it’s located between the ignition switch and the positive battery cable. During engine operation, the ballast resistor is responsible for lowering voltage applied to the coil to ensure that it doesn’t overheat and burn out, or damage the battery. During cranking, the ballast resistor allows normal battery voltage into the coil to ensure a good, strong spark for starting the engine.

The ballast resistor is subjected to significant amounts of heat during operation (the resistor’s resistance level increases or decreases with the application of heat and voltage). Over time, it will eventually wear out and need to be replaced.

Keep in mind:

  • The ballast resistor is not inspected during normal maintenance.
  • The ballast resistor is subject to significant amounts of wear and tear.
  • Ballast resistors are not generally found on fuel-injected engines.

How it's done:

  • The Ballast Resistor is verified that it needs to be replaced. The battery and battery tray are removed.
  • The defective Ballast Resistor disconnected and removed.
  • The new Ballast Resistor is installed, secured, and connected.
  • The battery tray and battery are reinstalled. The Ballast Resistor is tested for operation.
  • The vehicle is tested to ensure proper operation of the Ballast Resistor and road tested to ensure fan operation.

Our recommendation:

Over time and through normal use, the ballast resistor is subject to a great deal of wear and tear, and heat. This can cause it to fail unexpectedly. When this happens, your vehicle will experience unwanted, and perhaps dangerous, operation. It may crank but then stop running immediately after. Have any starting problems immediately diagnosed by one of our expert mechanics.

What common symptoms indicate you may need to replace the Ballast Resistor?

  • Engine cranks, but dies immediately when the key is moved back to the run position from the start position

How important is this service?

Without a ballast resistor, your engine will not operate unless you jump the resistor, which is dangerous, as it will eventually burn out the points, and is not recommended. If your engine dies immediately after turning the key back to run from start, likely the ballast resistor needs to be replaced. If the engine runs with the key in the run position, you may have another issue. Have it properly diagnosed by one of our expert mechanics immediately.

Fast and easy Ballast Resistor Replacement service at your home or office.

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Meet some of our expert mechanics

Real customer reviews from owners like you.

126 reviews
Tyrone
6 years of experience
Tyrone was extremely professional and he diagnosed and fixed the problem with my vehicle in a fast and efficient manner. Highly recommend!
2000 CADILLAC DEVILLE - CAR BATTERY REPLACEMENT
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77 reviews
Richard
6 years of experience
great mechanic!!!
2006 MERCEDES-BENZ E350 - ALTERNATOR REPAIR
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13 reviews
Oreste
9 years of experience
Excellent
2009 INFINITI G37 - SERPENTINE/DRIVE BELT REPLACEMENT
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8 reviews
Ivan
7 years of experience
Very patient and knowledgeable. I didn't get my truck fixed today, but I appreciate Ivan being precise and narrowing down the issue.
1999 GMC YUKON - CAR IS NOT STARTING INSPECTION
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Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
ServiceYourMechanic PriceShop/Dealer Price
Ballast Resistor Replacement for 1990 Dodge Dakota L4-2.5LYourMechanic Price$80.36Shop/Dealer Price$97.46 - $116.12
Ballast Resistor Replacement for 1988 Dodge B250 V6-3.9LYourMechanic Price$80.16Shop/Dealer Price$97.29 - $115.86
Ballast Resistor Replacement for 1986 Dodge B250 V8-5.9LYourMechanic Price$80.16Shop/Dealer Price$97.25 - $115.78
Ballast Resistor Replacement for 1995 Mercedes-Benz S600 V12-6.0LYourMechanic Price$118.33Shop/Dealer Price$155.90 - $211.26
Ballast Resistor Replacement for 1988 Ford LTD Crown Victoria V8-5.8LYourMechanic Price$107.34Shop/Dealer Price$131.20 - $170.11
Ballast Resistor Replacement for 1988 Dodge B250 V8-5.9LYourMechanic Price$80.36Shop/Dealer Price$97.46 - $116.11
Ballast Resistor Replacement for 1983 Mercury Lynx L4-1.6LYourMechanic Price$107.51Shop/Dealer Price$131.49 - $170.58
Ballast Resistor Replacement for 1988 Lincoln Mark VII V8-5.0LYourMechanic Price$106.65Shop/Dealer Price$141.33 - $187.96
Show example Ballast Resistor Replacement prices

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1-800-701-6230 · hi@yourmechanic.com