Could this be a sign of trouble in the campaign?
Political strategists say that in a race like this, once you go up on TV, you don't go dark. One political observer suggested Preckwinkle may concerned about what her polling is showing.
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Meet the candidates: Lori Lightfoot and Toni Preckwinkle
When asked if the commercials were halted because money was running out, Preckwinkle responded: "We're making strategic decisions to put us in the best place to win this campaign.
Her campaign did say that they "should be back up soon."
Preckwinkle picked up some endorsements Tuesday from the West Side politicians and pastors.
Meanwhile, her opponent, Lori Lightfoot, launched her closing ad -- a lighthearted one featuring her 13-year-old daughter waving and dancing and being goofy in the background.
Lightfoot said it was actually her daughter's suggestion because she was disappointed she wasn't in any earlier ads. "I'm Lori Lightfoot and I'm running for mayor for our daughter's future and all Chicago's children," she says in the commercial.
"Look, I just think we wanted to have a little bit of a light touch in these closing days, there's been a lot of rancor that happened since President Preckwinkle gave her election night speech," Preckwinkle said.
During that election night speech, Preckwinkle went on the attack about Lightfoot's lack of political experience. A theme that continued during Preckwinkle's endorsement from Congressman Danny Davis, D-Chicago.
"She has accomplishments that she can point to, not just speculations, not just what I'd like to see," Davis said.
RELATED: Lightfoot responds to accusations she covered up police-involved shooting in 2000
On the money trail, Preckwinkle has reported receiving more than $75,000 this week from three trade groups or construction PACs.
Lightfoot, meanwhile reported a $100,000 contribution from philanthropist Meredith Bluhm-Wolf, daughter of billionaire Neil Bluhm. She has also reported getting $50,000 from Laura Ricketts and another $65,000 from two trade unions.
Election Day for Chicago is April 2. Early voting has already started.
The two mayoral candidates will debate 6 p.m. Wednesday. Watch live on ABC7, online at www.abc7chicago.com and on our news app.
ABC7 anchors Alan Krashesky and Cheryl Burton will host the candidate forum with our partners the League of Women Voters of Chicago and Univision Chicago.