When Shawn Fain, the United Car Staff president, unveiled the deal that ended six weeks of strikes at Ford Motor within the fall, he framed it as a part of an extended marketing campaign. Subsequent, he declared, could be the duty of organizing nonunion crops throughout the nation.

“Certainly one of our largest objectives popping out of this historic contract victory is to arrange like we’ve by no means organized earlier than,” he stated on the time. “After we return to the bargaining desk in 2028, it gained’t simply be with the Huge Three. Will probably be the Huge 5 or Huge Six.”

4 months later, the primary check of that technique has come into focus, and it includes a Volkswagen plant in Chattanooga, Tenn.

In response to the union, greater than half of over 4,000 eligible employees have signed playing cards indicating assist for a union. Staff say they’ve finished so as a result of they need larger pay, extra paid break day and extra beneficiant well being advantages — and since the current strikes at Ford, Normal Motors and Stellantis persuaded them {that a} union can assist win these concessions.

“The Huge Three, that they had their massive marketing campaign, and their massive strike and vote, and new contracts — we paid consideration to that very carefully,” stated Yolanda Peoples, who has labored on the Volkswagen plant for practically 13 years.

The Volkswagen plant announced an 11 p.c pay enhance shortly after the strikes on the Huge Three. The increase introduced the highest hourly wage for manufacturing employees to $32.40, however the comparable wage for the Detroit automakers will exceed $40 by the top of the brand new contracts. (Volkswagen said the wage adjustment was a part of a yearly overview.)

Unions want a easy majority of votes to win, however the U.A.W. says it won’t file for an election on the Chattanooga plant till 70 p.c of the plant’s employees have signed playing cards and employees have constructed an in depth organizing committee, which union officers count on within the subsequent month.

The warning displays the U.A.W.’s expertise within the South, the place previous campaigns fell quick.

However the stakes could also be even larger this time given the union’s funding in organizing several plants at once — together with a Mercedes-Benz manufacturing unit in Alabama, the place greater than 50 p.c of employees have signed playing cards, and a Hyundai plant in Alabama, the place the union has playing cards from greater than 30 p.c of employees.

Final week, the union said it was additionally allocating $40 million to organizing auto and battery employees via 2026 — far exceeding its earlier funds for such efforts, in response to Jonah Furman, a union spokesman — and urged that point was of the essence.

“Within the subsequent few years, the electrical automobile battery trade is slated so as to add tens of hundreds of jobs throughout the nation, and new requirements are being set because the trade comes on-line,” the union stated in its funding announcement.

If the union wins in Chattanooga, stated Joshua Murray, a sociologist at Vanderbilt College who has studied the auto trade’s response to unionization, it could rapidly replicate the victory at different crops, because it did throughout an organizing wave within the Thirties.

“A number of time the failure to unionize just isn’t that employees are in opposition to being in a union — it’s that they’re not satisfied they will win,” Dr. Murray stated. “Displaying they will win is an enormous deal for getting employees who weren’t gung-ho about it to be gung-ho.”

A loss in Chattanooga, Dr. Murray stated, may sap workers’ confidence and encourage administration at different automakers to withstand.

Different analysts, like Sam Fiorani, vp of worldwide automobile forecasting on the analysis agency AutoForecast Options, predicted that Tesla could be a specific problem. “The top of Tesla is Elon Musk, and he’s going to combat in opposition to change,” Mr. Fiorani stated.

The union seems to be benefiting from a resurgence of curiosity in organizing after a lull throughout the presidency of Donald J. Trump and the beginning of the pandemic. Final 12 months, unions gained greater than 1,225 elections — essentially the most in at least a decade, in response to the Nationwide Labor Relations Board. They misplaced about 500.

Polling shows that youthful employees are particularly supportive, and they look like serving to to gasoline the current auto trade organizing. “We’re letting them know, ‘You’re making a pleasant pay price in comparison with your age, however this may be higher,’” stated Ronald Terry, a employee concerned within the organizing on the Hyundai plant in Alabama.

Youthful employees on the Volkswagen plant additionally categorical frustration on the paid break day they accrue: 12 or 13 days throughout their first two years of employment, a number of of which they have to use throughout plant shutdowns in the event that they need to be paid.

Requested concerning the complaints, a Volkswagen spokesman stated that the corporate understood that point off was a big situation and that it had not too long ago introduced a rise in unpaid break day for emergencies.

The corporate stated final month that its Chattanooga wages had elevated at practically twice the speed of inflation since 2013, and that the common manufacturing employee would make greater than $60,000 this 12 months earlier than bonuses or extra time and pay lower than $2,000 in premiums to cowl greater than 80 p.c of well being care prices.

The union sought a vote in Chattanooga in 2014 and confronted no opposition from the corporate, whose worldwide crops are principally unionized. However the effort failed amid stress from state Republican leaders, who urged {that a} union would jeopardize the plant’s enlargement.

With employees complaining of understaffing, excessive damage charges and last-minute extra time, the U.A.W. tried once more in 2019. However pleas from Tennessee’s governor and the plant’s unique chief government, who stated he had returned to his former place to deal with employees’ issues, appeared to defuse assist. The union narrowly misplaced.

This time, the union seems decided to attenuate the impact of such pushback.

The union wants to recruit a volunteer chief for each line on each shift on the plant — greater than 125 altogether, in response to the union’s tally. That method, organizers say, the volunteers can rapidly reply to rumors or firm speaking factors that co-workers encounter.

“Should you don’t have somebody persevering with that dialog, we’ve seen a few of that backsliding in a number of smaller areas,” stated Isaac Meadows, a employee concerned within the organizing.

He attributed the backsliding to the affect of outside groups and chatter from employees’ associates and kinfolk {that a} union would discourage employers from finding in Tennessee.

Gerald McCormick, a Republican who because the state’s Home majority chief opposed the union throughout the 2014 vote, stated Republicans would possibly fear that the union would assist left-wing causes in Tennessee if it bought a foothold there.

“They don’t need to do them any favors,” he stated, referring to the state’s Republican management, which he predicted would oppose the union marketing campaign once more.

As in 2019, the employer’s response could also be essential. The Volkswagen model seems to be roughly holding its personal in america, and considerably forward within the transition to electrical autos.

Greater than 11 p.c of Volkswagen’s U.S. sales final 12 months got here from E.V.s — particularly the ID.4, a compact sport utility automobile inbuilt Chattanooga. That determine was larger than the general 9.4 p.c share for plug-in autos within the U.S. market, in response to BloombergNEF, an power analysis agency.

A Volkswagen official stated throughout a tour of the plant that about one-third of its output this 12 months would in all probability be ID.4s, and that the share may double inside a decade.

If that occurs, the plant could also be comparatively nicely positioned to soak up larger labor prices. Corey Cantor, an electrical automobile analyst at BloombergNEF, stated continued battery innovation, together with efficiencies from larger-scale battery manufacturing, may offset the associated fee will increase related to unionization.

However a union presence may complicate the ramp-up in electrical automobile manufacturing, Mr. Fiorani of AutoForecast Options stated, if the union resists the decline in employees per automotive which will accompany the shift. He famous that firms that made their very own batteries would possibly be capable of reallocate these employees quite than lay them off, nevertheless.

Pablo Di Si, the chief government of Volkswagen Group of America, stated in an announcement that the plant had already added jobs in battery pack meeting and battery engineering.

Assembly with reporters final month, a Volkswagen official stated that the corporate would keep impartial throughout an election marketing campaign, however that “impartial doesn’t imply silent — it means neutral to what workers resolve.”

The official added that the corporate would right misinformation, which it accuses the union of spreading, about pay and dealing circumstances within the plant. (Corporations reaching neutrality agreements with unions usually don’t intervene this manner.)

Mr. Meadows, the union supporter, stated managers had communicated skepticism in typically refined methods, like eradicating union fliers from lunch tables.

“Someone put out a few enterprise playing cards for a garden service firm, and we had some materials on the identical desk,” Mr. Meadows recalled. “Our supplies disappeared, and the others didn’t.”

Volkswagen stated the cleanliness of the tables was ruled by “clear insurance policies.”